Sex Doll Glossary: A–Z of Terms, Features & Community Lingo

New to sex dolls? Or just want to make sense of the jargon? This A–Z guide breaks down every term you’re likely to see – technical specs, user slang, feature names, and everything in between. Looking into materials, thinking about custom features, or trying to avoid a scam? This glossary’s here to guide you through it all. Enjoy!

A

AI Voice

A digital voice module embedded in high-tech sex dolls, allowing them to speak, respond to commands, or simulate moaning and dialogue. This feature enhances the interactive realism of AI sex dolls and is often customizable.

See also: Voice Pack, Robot Sex Doll / Sexbot

Alien Sex Doll

A fantasy-themed doll designed with extraterrestrial aesthetics like unusual skin colours, large eyes, or other non-human features. Often collected for novelty or sci-fi cosplay use.

See also: Fantasy Sex Doll, Stuffed Sex Doll

Anal Cavity Depth

The internal length of the anal canal on a sex doll, typically measured in centimeters. This measurement helps users determine the suitability of the doll for anal play, especially in high-end realistic sex dolls.

See also: Canal Depth

Androgyny

Refers to dolls with features that blend traditionally masculine and feminine traits. Popular among users exploring gender-fluid or non-binary expressions.

See also: Femboy Sex Doll, Shemale Sex Doll

Anti-Fake System

A security feature integrated by some manufacturers to authenticate genuine products via unique codes or QR scans. This system helps prevent counterfeit dolls and ensures buyers receive authentic, brand-certified sex dolls.

See also: Real Sex Doll, Official Certificates

Areola

The circular area surrounding the nipple, which varies in size, color, and texture. Customizable areola options are available in premium doll models.

See also: Realistic Sex Doll, Custom Features

Asian Sex Dolls

A plural search form of “Asian Sex Doll,” often used by shoppers browsing by ethnic aesthetic. Features include petite frames, almond-shaped eyes, and delicate facial details.

See also: Japanese Sex Doll, Petite Sex Doll

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B

Big Ass Sex Doll

A colloquial term for sex dolls with exaggerated buttocks. Appeals to users seeking voluptuous proportions.

See also: BBW, Big Booty Sex Doll, Curvy Sex Doll

Big Booty Sex Doll

A popular term used in searches for dolls with large, round buttocks. Often part of BBW or Curvy categories.

See also: Big Ass Sex Doll, BBW

Black Sex Doll

Dolls designed to reflect Afrocentric features including darker skin tones, full lips, and textured hair.

See also: Ebony Sex Doll, Curvy Sex Doll

Blow Up Male Sex Doll

An inflatable male doll, typically used for novelty or party purposes. Lightweight and easy to store, but not as realistic as TPE or silicone models.

See also: Inflatable Sex Doll, Male Sex Doll Inflatable

Blow Up Sex Doll / Inflatable Sex Doll

A lightweight, air-filled sex doll typically made of vinyl or PVC. These are entry-level toys offering portability and easy storage, though with limited realism. Popular for novelty use or budget-conscious buyers.

See also: Beginner Sex Doll, Male Sex Doll Inflatable, Stuffed Sex Doll

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C

Canal Depth

The internal length of any functional cavity on a sex doll (vaginal, anal, oral). Important for determining comfort and fit for different users.

See also: Anal Cavity Depth, Insert Canal Depth

China Sex Doll

Refers to dolls manufactured in China, home to most of the world’s leading sex doll brands. Many premium manufacturers, like SEDOLL, Irontech, Funwest, Climax, offer verified, high-quality production.

See also: Anti-Fake System, Official Certificates

Cleaning Kit

A hygiene bundle that typically includes irrigators, microfiber cloths, and disinfectants for maintaining a sex doll. Essential for longevity and safe use.

See also: Vagina Cleaning Pot, Vaginal Douche / Anus Douche

Curvy Sex Doll

Dolls with fuller hips, busts, and thighs — designed for users who prefer voluptuous body types. Often overlaps with BBW and Big Booty categories.

See also: BBW, Big Booty Sex Doll, Realistic Sex Doll

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D

Double Joints

A skeleton upgrade that allows greater flexibility in knees and elbows. Enhances realism for dynamic poses and more natural movement.

See also: EVO Skeleton, Waist Spin

Drying Rod

A long, soft or absorbent rod inserted into the doll's orifices after cleaning to absorb moisture. It helps prevent mold and prolongs the life of internal components.

See also: Cleaning Kit, Vagina Cleaning Pot

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E

Ebony Sex Doll

A synonym of Black Sex Doll, this term is used to describe dolls with dark skin tones and Afrocentric features.

See also: Black Sex Doll, Curvy Sex Doll

Electric Hip Waist Function

A robotic feature that mimics human pelvic thrust or rotation. Often found in premium Sexbots, it adds realism during use.

See also: Sexbot, Waist Spin

Elf Sex Doll

A fantasy doll type with elf-like features such as pointed ears, delicate facial traits, and sometimes mystical themes. Popular among fantasy and cosplay doll collectors.

See also: Fantasy Sex Doll, Cosplay Sex Doll

EVO Skeleton

A more advanced internal frame allowing improved poseability, shoulder shrugs, and better joint rotation. Found in many premium dolls.

See also: Double Joints, Waist Spin

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F

Fabric Sex Doll

A soft-bodied doll made of fabric or plush material instead of silicone or TPE. Lightweight and usually budget-friendly.

See also: Stuffed Sex Doll, Teddy Sex Doll

Femboy Sex Doll

A doll that combines a feminine body type with subtle masculine traits or male genitalia. Popular among fans of androgyny, gender-fluid characters, or trans fantasy play.

See also: Shemale Sex Doll, Futa/Futanari

Full-Size Sex Doll

A complete, life-sized doll typically measuring between 140 cm and 170 cm, designed to closely replicate human proportions and weight. Full size sex dolls feature fully articulated skeletons, realistic orifices, and customisable features such as facial details, body type, and built-in functions (like heating or voice modules). They are ideal for users seeking immersive physical realism and visual authenticity in their experience.

See also: Realistic Sex Doll, Hybrid Doll, Mini Sex Doll, Torso

Furry Sex Doll

A niche fantasy doll designed with animal-like features, such as ears, tails, or fur patterns. Appeals to fans of the furry or anthropomorphic community.

See also: Fantasy Sex Doll, Anime Sex Doll

Futa/Futanari

Derived from anime, this term refers to dolls that feature both female breasts and male genitalia. Popular among fans of gender-bending or erotic transformation fantasies.

See also: Shemale Sex Doll, Trans Sex Dolls

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G

Gel Breasts

Breasts filled with a soft silicone gel that mimics the feel and bounce of natural tissue. A premium feature for added realism.

See also: Hollow Breasts, Solid Breasts, Soft Butt

Gel Filled

Describes any doll body part (e.g., buttocks, thighs, breasts) enhanced with gel for added squish and bounce.

See also: Gel Breasts

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H

Half Body Sex Doll

A synonym for torso dolls that include the upper or lower body, but not the full form. Easier to store and clean.

See also: Sex Doll Torso, Torso and Legs

Hang Kit

An accessory used to hang the doll vertically for storage. Helps maintain shape and prevent creasing or damage from lying down long-term.

See also: Storage & Care, Cleaning Kit

Hard Hand and Hard Feet

Reinforced hand and foot constructions that are firm to the touch, often used in standing or posing dolls for stability.

See also: Standing Feet, EVO Skeleton

Hard Silicone

A firmer silicone blend used in some doll models to maintain sculpt detail. Offers durability at the cost of softness.

See also: Silicone, TPE vs Silicone

Hatsune Miku Sex Doll

A cosplay doll inspired by the Vocaloid character Hatsune Miku, often custom-made to mimic her teal twin tails and outfit.

See also: Anime Sex Doll, Cosplay Sex Doll

Heating Rod

An external tool used to warm the internal cavities of a sex doll before use. It typically plugs into a USB or wall socket and heats gradually. Ideal for dolls without a built-in heating system.

See also: Internal Heating System / External Heating System, Vagina Cleaning Pot

Hentai

A genre of Japanese adult animation that often inspires anime-style sex dolls. Hentai dolls typically feature exaggerated expressions, vibrant colours, and fantasy elements.

See also: Anime Sex Doll, Cosplay Sex Doll, Otaku

Hollow Breasts

A type of breast construction featuring an air cavity inside, making them lighter and squishier than solid options. Popular for their jiggly, natural bounce.

See also: Gel Breasts, Solid Breasts

Hybrid Doll

A sex doll combining different materials — typically a silicone head with a TPE body — to balance realism and affordability.

See also: Silicone, TPE, Realistic Sex Doll

Hyper-Realistic Body Painting

A premium finishing technique where veins, moles, blush, and other skin details are hand-painted onto the doll. This increases visual realism significantly.

See also: Realistic Sex Doll, Lifelike Skin Texture

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L

Lesbian Sex Doll

Refers to dolls marketed for use in lesbian roleplay, often featuring dual-doll setups or models with customisation options to fit same-sex interaction preferences.

See also: Realistic Sex Doll, Love Dolls

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M

Male Sex Doll Inflatable

A blow-up version of a male sex doll, often lightweight and portable. Typically includes a penis mould and basic male body features.

See also: Inflatable Sex Doll, Blow Up Male Sex Doll

Meru

A stylised term or character name used by some fantasy or anime-themed doll creators. Meru dolls may reference popular Japanese or otaku subcultures.

See also: Anime Sex Doll, Otaku, Hentai

Mini Dolls

A scaled-down sex doll typically under 100 cm in height. Mini Sex Dolls offer a more compact and lightweight alternative to full-size models, making them easier to store, transport, and handle. Ideal for users seeking discretion and convenience.

See also: Mini Doll Legality, Petite Sex Doll

MLP Sex Doll (My Little Pony Inspired)

A niche fantasy category inspired by anthropomorphic or pony-themed designs, catering to a specific fandom. Usually stylised and not offered by mainstream manufacturers.

See also: Fantasy Sex Doll, Furry Sex Doll

Moaning System (On Head / On Body)

A sound feature embedded in either the doll’s head or torso, activated by touch or motion, and simulating vocal reactions during use.

See also: AI Voice, Voice Pack, Sexbot

Movable Jaw

A feature that allows the doll’s jaw to open and close, often paired with oral functions like ROS (Real Oral Sex). Enhances realism during posing and oral play.

See also: ROS Real Oral Sex, Tunnel Head

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N

Neck Bolt

A connector used to attach and detach the head from the doll's body. Found in most full-size dolls to enable easy dressing or transport.

See also: Storage & Care, EVO Skeleton

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O

Otaku

A Japanese term for enthusiasts obsessed with anime, manga, and fantasy. In the sex doll world, otaku often collect anime-style dolls or cosplay-inspired figures.

See also: Anime Sex Doll, Cosplay Sex Doll, Hentai

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P

Platinum Silicone

A high-quality, medical-grade silicone known for its durability and skin-safe properties. More expensive but preferred for realism.

See also: Silicone, TPE vs Silicone

Pocket Pussy / Pocket Vagina

A small, handheld masturbator shaped like a vaginal canal. May be used as a removable insert in some dolls.

See also: Removable Vagina, Soft Vagina

Q

Quick Release Head

A connector mechanism that allows fast and easy removal of the doll’s head, often magnetic or screw-based. Useful for storage and modular setups.

See also: Neck Bolt, EVO Skeleton

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R

Realistic Sex Doll / Real Sex Doll

A lifelike sex doll designed to mimic the appearance, texture, and proportions of the human body. Realistic sex dolls are typically made from high-grade materials like TPE or platinum silicone, featuring detailed facial sculpting, skin textures, body painting, and soft or gel-filled zones. They're chosen for their sensory realism, full articulation, and aesthetic appeal, offering a close-to-life companion experience. Often available in customisable options, including skin tone, eye colour, breast type, and voice features.

See also: Real Sex Dolls, Full Size Sex Doll, Anti-Fake System, Torso, Mini Sex Doll

Rent Sex Doll / Sex Dolls for Hire

A controversial and location-sensitive practice where dolls are rented by individuals or adult venues. Legal regulations vary by country, and hygiene standards must be guaranteed.

See also: Used Sex Dolls, Anti-Fake System, Cleaning Kit

ROS Real Oral Sex

A design feature where the mouth includes a deep, textured canal for realistic oral play. Often used in conjunction with a movable jaw.

See also: Movable Jaw, Tunnel Head

Removable Vagina

An insertable component that can be detached for easier cleaning and replacement. A popular option for hygiene and maintenance.

See also: Soft Vagina, Pocket Pussy

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S

Sex Doll Torso

A partial-body doll that typically includes the chest, waist, and vaginal/anal regions. Easier to store and transport.

See also: Torso and Legs, Mini Doll

Sex Doll Vagina

The vaginal canal on a sex doll, either fixed or removable. Can come in different textures for enhanced pleasure.

See also: Soft Vagina, Removable Vagina, Vagina Texture

Shrugging Shoulders

A feature found in EVO skeletons that allows the doll to lift and roll its shoulders naturally, just like a human.

See also: EVO Skeleton, Movable Jaw

Silicone / Soft Silicone / Hard Silicone

Variants of silicone used in doll construction. Soft silicone offers high realism and skin-like texture, while hard silicone is firmer and holds sculpt details better. Both are hypoallergenic and durable.

See also: Platinum Silicone, TPE, S-TPE

Silicone Softness Grades

A standardised scale used by manufacturers to denote the firmness of silicone body parts, helping users select their preferred feel and flexibility.

See also: Silicone, Platinum Silicone

Solid Breasts (Standard Breasts)

Firm, non-hollow breasts that maintain shape well and feel denser. Often used as the base option in doll configurations.

See also: Hollow Breasts, Gel Breasts

S-TPE (Super Soft TPE)

An ultra-soft version of thermoplastic elastomer used to create more lifelike skin texture and a realistic, pliable feel.

See also: TPE, Soft Butt, Soft Vagina

Sex Doll Booty

A common search phrase for dolls with pronounced buttocks and realistic hip proportions. Popular among users seeking physical realism and tactile feedback.

See also: Big Booty Sex Doll, Soft Butt, Curvy Sex Doll, Realistic Sex Doll

Sex Doll Torso UK

A regional search term for compact torso dolls shipped to or sold in the United Kingdom. UK buyers are advised to check local customs guidelines before ordering.

See also: Sex Doll Torso, Mini Doll, FAQs

Sexbot

A high-tech sex doll featuring interactive elements such as AI voice, heating, moaning, and sometimes movement. Designed to simulate companionship or intimacy.

See also: AI Voice, Voice Pack, Moaning System

Shemale Sex Doll

A doll featuring both breasts and a penis, catering to those interested in trans, futanari, or genderfluid aesthetics. These dolls can be found in TPE or silicone materials.

See also: Futa/Futanari, Trans Sex Dolls, Fantasy Sex Doll

Soft Butt

A feature where the buttocks are made from extra-soft TPE or gel layers to simulate realistic give and bounce. Common in high-end and curvy models.

See also: Gel Breasts, S-TPE, Realistic Sex Doll

Soft Thighs

A feature similar to Soft Butt, where the thighs are designed to mimic human softness and compression. Enhances realism in cuddling or positioning.

See also: Soft Butt, Gel Breasts

Soft Vagina

A vaginal insert or structure made from ultra-soft material for enhanced comfort and realism. Popular among users who prioritise texture and tactile feedback.

See also: Removable Vagina, S-TPE, Vagina Texture

Standing Feet

Feet reinforced with bolts or internal structure that allow the doll to stand upright. Ideal for storage, display, or photography.

See also: Boltless Standing Feet, Articulated Toes, FAQs

Stuffed Sex Doll

Also known as plush or fabric sex dolls, these models are filled with soft stuffing rather than silicone or TPE. Lightweight and more affordable.

See also: Fabric Sex Doll, Teddy Sex Doll

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T

2B Sex Doll

A sex doll styled after the 2B android character from the game NieR: Automata. Typically features a slim athletic body, short white hair, and a black mask or blindfold.

See also: Cosplay Sex Doll, Anime Sex Doll

Teddy Sex Doll

A plush-bodied sex doll made with soft, huggable material. Ideal for users seeking cuddly companionship or budget-friendly options.

See also: Stuffed Sex Doll, Fabric Sex Doll

Tifa Sex Doll

A fantasy sex doll inspired by the character Tifa Lockhart from the Final Fantasy game series. Known for her athletic build, large breasts, and loyal fanbase, these dolls are popular among gamers and cosplay collectors.

See also: Fantasy Sex Doll, Anime Sex Doll, Cosplay Sex Doll

TPE (Thermoplastic Elastomer)

A soft, flexible material widely used in modern sex dolls. TPE is known for its realistic texture, affordability, and stretchability. Requires regular maintenance and powdering to avoid stickiness.

See also: S-TPE, Silicone, TPE vs Silicone

Trans Sex Dolls

Dolls designed with trans or gender-diverse features, including breasts with male genitalia or androgynous designs. Often overlap with Futanari and Shemale categories.

See also: Shemale Sex Doll, Femboy Sex Doll, Futa/Futanari

Travel Case

A protective case designed to transport sex dolls discreetly. May include padding, locks, or wheels for added security and ease of handling.

See also: Cleaning Kit, Hang Kit

Tunnel Head

A doll head design that includes a fully integrated oral cavity for realistic oral sex. Often compatible with ROS (Real Oral Sex) and moaning systems.

See also: ROS Real Oral Sex, Movable Jaw

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U

Used Sex Dolls

Pre-owned sex dolls sold second-hand, typically at a lower cost. Buyers should confirm condition, cleaning history, and brand authenticity. Note: resale of sex dolls may be restricted in some countries.

See also: Beginner Sex Doll, Rent Sex Doll, Anti-Fake System

UV-C Steriliser

A cleaning device that uses ultraviolet light to disinfect sex doll accessories or insertable parts. Effective against bacteria and mould when used correctly.

See also: Cleaning Kit, Hygiene

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V

Vagina Automatic Clump & Suck

A robotic feature that replicates muscular contraction and suction inside the vaginal canal. Found in high-end sexbots, enhancing the realism of penetration.

See also: Sexbot, Soft Vagina, AI Voice

Vagina Cleaning Pot

A small basin or container used to flush and rinse a doll’s canals with a cleaning solution. Often part of a complete hygiene kit.

See also: Cleaning Kit, Vaginal Douche / Anus Douche

Vagina Texture

Internal textures designed into the vaginal canal of a sex doll to mimic human sensations. Can include ridges, nodules, or spiral patterns.

See also: Soft Vagina, Removable Vagina

Vaginal Douche / Anus Douche (Irrigator)

A specialised cleaning tool used to flush the doll’s vaginal or anal canal with water or disinfectant. Essential for hygiene and durability.

See also: Cleaning Kit, Vagina Cleaning Pot

Voice Pack

A module—built-in or downloadable—that adds audio features like moaning, dialogue, or voice interaction. Some are triggered by touch or include AI voice capabilities.

See also: AI Voice, Sexbot

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W

Waist Spin

A skeleton feature that allows the doll’s torso to twist at the waist. Enhances poseability and realism, especially during intimacy or photography.

See also: EVO Skeleton, Double Joints

Wig

A removable hairpiece used to change a doll’s hairstyle or personality. Available in various colours, lengths, and styles to suit user preferences.

See also: Customisation, Head Options

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X

X-Ray View

An internal visual of the doll’s skeleton or core structure, often used for educational or promotional purposes by manufacturers.

See also: Skeleton, EVO Skeleton

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Z

Zipper Storage Bag

A soft-sided storage solution with zip closure for storing dolls or parts safely. Often padded and discreet, suitable for limited spaces.

See also: Travel Case, Storage & Care