the world > physical sensation > sexual relations > sexual activity > oral sex > [noun] (38)
slang (originally U.S.). Oral sex; fellatio or cunnilingus. See also to give head at phrases 4e(c).
Short for oral sex n. at compounds.
sexual activity in which the genitals of one partner are stimulated by the mouth of the other.
slang. Fellatio or cunnilingus; an instance of this.