A Dictionary of Hentai Terms

A listing of jargon and lingo used to describe various terms in multiple languages.

アナル
Anal
Mainly anal sex, but also includes other kinds of anal insertion.
獣姦
Beastiality juukan
Sex with animals.
奇怪
Bizarre kikai
Abnormal themes such as body modification, etc.
縛り
Bondage (SM) shibari
BE
Breast Expansion
ぶっかけ
Bukkake

: The sexual act of ejaculating on to one's partner's face. Wiktionary
a group sex practice wherein a series of men take turns ejaculating on a woman. Wikipedia
Extreme seminal facials.
女装
Cross-Dressing josou
Males dressing in female clothing, and vise-versa.
浣腸
Enema kanchou
Using a foreign substance to induce defacation.
デブ
Fat (Girls) debu
BBW
ふたなり, フタナリ
Futanari
see the extension for further information
輪姦
Gang Bang rinkan
Sexual intercourse involving several people who select and change partners in an indiscriminate manner.
巨乳/爆乳
Giant Breasts kyonyuu/bakunyuu1)
see the extention for further information
グロ
Guro
Slang purely japanese in nature referring to violence to the extremes. (See Ero-guro)
変身
Henshin henshin
Gender transformation.
貧乳
Hinnyuu hinnyuu
Small Breasts, Girls lacking in the chest department - not Loli.
近親相姦
Incest kinshinsoukan
All other incestual relationships.

: Incest (Brother Complex) 「ブラザコン」
Incest (Father Complex) 「ファザコン」
Incest (Mother Complex) 「マザコン」
Incest (Sister Complex) 「シスコン」
獣人 (ケモノ, けもの)
Kemono
Humanoid beast
母乳
Lactation bonyuu
レスビアン, レズ
Lesbianism
ロリ
Lolita rori

: Lolita complex, interest in young females.
A seductive adolescent girl.
水着
Mizugi
Girls in school swimwear.
筋肉
Muscular Girls kinniku
Female Bodybuilder type muscle mass.
猟奇
Mutilation ryouki
Rendering of one or multiple limbs from a body. Directly related to guro.
猫耳, ネコミミ
Nekomimi
Catgirls
非エロ
Non-Erotic hi-ero
ニューハーフ
New-half

: A person with the external genitalia and secondary sexual characteristics of one sex, but whose personal identification and psychosocial configuration is that of the opposite sex.
A person who has undergone a sex change. e.g. a pre- or non-operative transsexual female. (see also Shemales below)
妊婦, 妊娠
Pregnant ninpu
Pregnancy fetishism aka Maiesiophilia.
放尿
Piss hounyou
強姦
Rape goukan
To force (another person) to submit to sex acts, especially sexual intercourse.
糞尿, スカトロ
Scatology funnyou
Fictional play with feces.
シーメール
Shemale
A genetic male who has both male and female characteristics; a male who has undergone surgical feminization.
ショタ
Shota
Male based lolita complex.
触手
Tentacles shokushu
やおい
Yaoi
Male/Male sex.
百合
Yuri
Girl/Girl sex.
アブノーマル
Abnormal (see Bizarre above)
あへがお
Ahegao
“Cumming Face”, aka a female's vinegar strokes. For more indepth history on the internet phenomenon (the use of ahegao as a meme), see this article on KnowYourMeme. - Yuribou Hentai Dictionary
巨ちん
Big Cock ookichin
巨玉
Big Balls ookitama
肉体改造, 改造
Body Remodeling nikutaikaizou, kaizou
産卵, 大量産卵
Egg Laying sanran
拡張
Expansion kakuchou
Falls under expansion, enlargement
ごっくん
Gokkun
sperm eating, sperm swallowing; related to bukkake
陰核肥大
Hypertrophia Clitoris inkakuhidai
Swollen or Enlarged clitoris/penis
マクロファリー
Macro Furry makuro fuarii
“A Macro Furry is simply a giant furry.” (generally larger than 50m)
めがね
Megane
Very specific genre of Japan, in where sexual attraction is at a peak with a woman wearing glasses.
むちむち, ムチムチ
Muchimuchi
“Fat & Tight”; also plump, chubby, voluptuous (less BBW than Pocchari below).
肉便器
Nikubenki
Literal Translation: meat urinal. Woman who is treated as a sex object. - WWWJDIC
ニップルファック, ニプルファック
Nipple sex penetration nitsupuruhuatsuku or nipuruhuatsuku
Sexual acts performed with penetration into the nipple(s).2)
おもらし
Omorashi
Japanese word meaning “to wet oneself”. A paraphilia involving urinating on oneself but also arousal brought on by having a full bladder, by causing someone to develop a full bladder, or by witnessing someone with a full bladder “relieve” themselves. - Urban Dictionary
ぽっちゃり
Pocchari
Depending on who you ask, Pocchari can define: chubby girls, fat girls, beautifully large women, thick women, etc.
精液
Semen seieki
TSF
transgender fiction; multiple uses, see Wikipedia (English/日本語)
欠損, 義足
amputees
四肢切断
quad amputees
隻腕
one armed women
だるま, ダルマ
daruma doll
ヒトイヌ
pet-girl
ボテ腹, 腹ボテ
Pot-Belly, Distended Stomach
膨腹
Stomach Inflation
ゲーム
Game.
Used in combination with the suffix エロ- to make Eroge 「エロゲ, エロゲーム」 (Erotic Game).
CG集
CG Collection.
同人誌
Doujinshi
Fan Comic/Magazine
成年コミック
Adult Comic
同人ソフト
Doujin Soft(ware)
ゲームキャラ
Game Chara
アニメキャラ
Anime Chara
オリジナル
Original Characters / Work
無修正
Uncensored

The majority of this Legend is copied and amended from dmwade's doujindb, and baku's the Page of Boobs Legend. Any excetera slang can be found in one of these two documents.

New terms can be found listed by content at The Doujinshi DB Project. — 3pyon 2008/08/13 23:33

1)
For a comprehensive list of synonyms related to Breasts and Breast Sizes (and characters), please refer to bakunyuu:terms.
2)
Sex involving rubbing penis on nipple inside nipple, ie. milk duct penetration.