Zengi, foreplay, is the preparatory phase before penetrative intercourse, raisin…

Fudeoroshi is the Japanese idiom for an older woman giving a virgin young man hi…

Mesuiki is Japanese slang for a man reaching orgasm without ejaculation, through…

Analingus (rimming, anilingus) is oral stimulation of a partner's anus with the …

The sitting position is a class of coital postures in which both partners sit. T…

Sixty-nine (soixante-neuf) is a reciprocal oral position in which two people lie…

Loss of virginity (shojo soushitsu) is the Japanese term for an adult woman's fi…

Otoko no shiofuki, male squirting, is the release of fluid distinct from semen t…

Nyoudou-zeme is urethral play: inserting thin instruments into the urethra. A sp…

Sumata is the non-penetrative act of rubbing the male genitals between a woman's…

Teman is the Japanese term for stimulating the vulva and vagina with the fingers…

Yogaru is a Japanese verb for giving oneself over to sexual pleasure, crying out…

Ageha honte (swallowtail-wing variant of the missionary) is a missionary derivat…

Awa-awa play is the foam-bath service that defines Japanese soaplands: the worke…

Butsudan-gaeshi (Buddhist-altar reversal) is an Edo forty-eight position folding…

Chausu (tea mill) is the Edo-period cowgirl position, an extreme example of the …

Chidori (plover) is an Edo forty-eight position: the receiver lies sideways and …

Chikan is the Japanese criminal offence of public-transit groping. Surveys the c…

Chirou (delayed ejaculation) is a male sexual dysfunction marked by markedly del…

Dakijizou (embracing Jizo) is a standing face-to-face Edo forty-eight position w…

Daruma-gaeshi (Daruma-doll turn) is an Edo forty-eight folded position: the rece…

Ejaculation is the expulsion of semen from the male urethra, typically concurren…

Shiofuki is the Japanese term for fluid expulsion through the female urethra at …

Slow sex is an approach to sex that displaces orgasm as the goal and centres bre…

Sotodashi is the Japanese colloquial term for the withdrawal method (coitus inte…

Sounyuu is the Japanese term for sexual penetration: the act of entering one bod…

Premature ejaculation is a recognised clinical sexual dysfunction. The ISSM 2008…

Sundome is the Japanese term for stopping stimulation just before orgasm. The En…

Tekoki is the Japanese adult industry term for manual stimulation of the penis. …

Yotsunbai is the on-all-fours position, the standard receiving-partner posture f…

Zecchou is the Japanese term for sexual orgasm. Covers the Masters and Johnson r…

Aibu is the Japanese term for caressing and foreplay, encompassing tactile sexua…

Anal in Japanese AV-and-adult vocabulary covers anal-related sexual contact. AV …

Asa-dachi is the Japanese term for morning erection: the final nocturnal-penile-…

Ashikoki is the Japanese industry term for foot-based genital stimulation. Estab…

Back position (Japanese AV-industry term) is the rear-entry sexual position cate…

Car sex is sexual activity in a car interior. Spans consensual private practice …

Nipple orgasm is the sexual-response phenomenon of climax through nipple stimula…

Deep kiss is the kiss-form involving open-mouth, tongue exchange, and saliva con…

Deep throat names the fellatio variant in which insertion passes the soft palate…

Double penetration (DP) is the simultaneous insertion of two organs into a recei…

Simultaneous penetration is the Japanese industry term for multiple insertions i…

Simultaneous orgasm is the temporal-proximate occurrence of both partners' clima…

Ekiben is the Japanese AV-industry term for a face-to-face standing position in …

Fera is the Japanese term for fellatio, oral stimulation of the penis. Latin fel…

Fisting names the consensual insertion of a fist or substantial part of the hand…

Fukusū-play is the Japanese industry-and-vernacular term for sexual scenes with …

Full Nelson is a rear-entry variant adapted from the wrestling hold, the inserti…

Fuse-i (prone position) is the class in which the receiving partner lies face-do…

Futami-ga-ura is a standing face-to-face forty-eight-hands position, the paired …

Gakugaku-keiren (convulsive orgasm) is the colloquial name for uncontrollable tr…

Ganmen-kijōi is the Japanese term for face-sitting / queening. The position reve…

Gansha is the Japanese AV-industry term for male ejaculation onto the female par…

Gokkun is the Japanese AV genre name for scenes that foreground swallowing of ej…

Gosho-guruma is a flexed-missionary forty-eight-hands position in which the rece…

Haimen-kijōi is the Japanese name for reverse cowgirl, the cowgirl variant in wh…

Haimen-zai is the Japanese position-name for reverse seated position. The partne…

Hataori is an Edo forty-eight-hands term for rhythmically alternating deep and s…

Hatsutaiken is the Japanese gender-neutral term for the first sexual experience.…

Hobashira is the forty-eight hands position where the man stands erect and the w…

Hokake-chausu is an Edo forty-eight-hands cowgirl variant in which the receiving…

Ijiru is a Japanese verb for manipulating something finely with the fingers, use…

Inu-kake is the Edo classical name for the dog-mount rear-entry position within …

Irifune is a face-to-face forty-eight-hands position, the inserting partner draw…

Irrumatio names active-penetrator oral sex: the penetrating partner is active, t…

Jirashi is the Japanese umbrella term for teasing techniques: deliberate interru…

Jirashi-jouge is a teasing technique of repeating shallow vertical strokes while…

Kamo-no-irikubi is a forty-eight-hands position in which the inserting partner c…

Kanchou names the enema procedure and its derivative use in fictional adult SM, …

Kannon-biraki is a Japanese pose-and-position name from Buddhist shrine cabinet …

Kao-nose is the term for burying the face against part of a partner's body, a pa…

Karigakubi is an Edo forty-eight-hands position embracing the neck and shoulders…

Kijoui is the Japanese position-name for the receiving partner above the inserti…

Koneageru is a caress verb for stimulating an erogenous zone with pressure in a …

Koshi-guruma is a flexed-missionary forty-eight-hands derivative, the inserting …

Kotoba-zeme is the use of words during sex to provoke a partner's shame, submiss…

Kotobuki-shibari is the Edo-period shibari-and-coupling configuration where the …

Kubishime play (erotic asphyxiation) compresses the neck during sex to restrict …

Kunni is the Japanese clipped form of cunnilingus, the oral stimulation of the f…

Kuritorisu-zeme names focused, intensive stimulation of the clitoris by finger, …

Lotion is the Japanese term for sexual lubricant and for lotion play, coating th…

M-spread is the bent-knee leg-apart pose forming an M shape, central to Japanese…

Makou-kikuichimonji is a face-to-face spread-leg forty-eight-hands position, the…

Matsubakuzushi is the Japanese sex position with one leg raised and the receiver…

Mensou-i is the classical Japanese term for face-to-face intercourse, frequent i…

Momiji-dachi is an Edo position from the Forty-Eight Hands. The receiving partne…

Mongiri is a forty-eight hands position with the receiving partner in a deep pro…

Musei names nocturnal emission: spontaneous ejaculation during sleep, predominan…

Nakaore is the Japanese term for losing an erection partway through intercourse.…

Namahame is the Japanese industry slang for condomless intercourse, literally ra…

Narutomaki is one of the Edo Forty-Eight Hands: a motion-type position in which …

Ne-ekiben is the supine variant of the ekiben carry: the inserting partner lies …

Nipple-clamp names the BDSM device class that applies clip pressure to the nippl…

Nukisashi is the Japanese colloquial term for the in-and-out thrusting motion du…

Otona no omocha is the Japanese euphemism for sex toys: vibrators, wands, onahol…

Onanie is the German-derived Japanese term for masturbation, taken from the bibl…

Oshidori no Mutsumi is a face-to-face seated variant in the Forty-Eight Hands: t…

Oshikuruma is an Edo Forty-Eight Hands position: the receiving partner plants bo…

Outdoor sex covers consensual activity in unroofed spaces: beaches, forests, par…

A penis band (cock ring) is a ring worn at the base of the penis or around the p…

Piston motion is the Japanese vocabulary for the reciprocating thrust of interco…

Ritsui is the umbrella term for intercourse positions performed while both partn…

Ritsui-taimen-i is the standing face-to-face position: both partners stand and c…

Ryūsei is a motion-name among the Edo Forty-Eight Hands. It names the phase of r…

Sai-zecchō is reaching orgasm again immediately after a first one. The Japanese …

Sakunyuu is the Japanese eromanga and AV genre of breast-milk extraction as fict…

Sasabune is a forty-eight hands position where two bodies lie on the side at a s…

Seijoui is the Japanese term for the missionary position: the receiving partner …

Seikou is the Japanese formal term for sexual intercourse: a sexual act involvin…

Seppun is the Japanese formal term for kissing. Covers the physiology, the anthr…

Omorashi is the fictional-or-consensual-adult-only kink centred on the loss of u…

Food play is using food as a tool or medium in sex: spreading chocolate, cream, …

Sokui is the umbrella term for intercourse positions in which both partners lie …

Somabito is a standing variant in the Edo Forty-Eight Hands: the inserting partn…

Tachi-back is the standing rear-entry position: the receiving partner leans forw…

Tsuri-tai-i is the suspended-body coupling position-family, with the body lifted…

Uki-chausu is the forty-eight hands variant of the cowgirl (chausu) position wit…

Water play is the BDSM sensory-play category using water, ice, and temperature v…

Bukkake is a Japanese loanword for an adult-video staging convention: several pe…

Nakadashi is the Japanese AV-industry term for ejaculation inside the vagina, pa…

Paizuri is the Japanese AV-industry term for stimulating the penis with the brea…

The breeding press is slang for a deep-penetration posture folding the receiver'…

Wakikoki, the armpit job, passes the penis into a partner's armpit and rubs it b…

Defune is a withdrawal-type position in the forty-eight hands. Paired with irifu…

Tachi-hanabishi is a standing position of the forty-eight hands, in which a coup…

Tachi-manguri is a standing derivative of the manguri-gaeshi, a forty-eight-hand…

Tachi matsuba is a standing posture in Japan's Edo-period forty-eight hands: the…

Tsubame gaeshi is a transition-type position in the Edo-period forty-eight hands…

Uki matsuba, the floating pine-leaf, is a variant of the pine-leaf collapse amon…

Yose chidori, the closing plover, is a side-position variant among the forty-eig…

Doutei soushitsu is the Japanese expression for a man's first intercourse, leavi…

Kukkyokui, the flexion position, is a missionary derivative in which the supine …

Tachii, the standing position, is the umbrella term for coitus with one or both …

Taimen-za, the face-to-face sitting position, is the form in which the two sit f…