Anilingus (from the Latin anus + -lingus, from lingere, "to lick", variantly spelled "analingus") is the oral and anal sex act in which a person stimulates the anus of another by using the mouth, including lips, tongue, or teeth. It is also called analoral contact and analoral sex; colloquial names include rimming and rim job. It may be performed by and on persons of any sexual orientation for pleasure or as a form of erotic humiliation. -Weekeepadia