Known as copulation or coitus, commonly refers to the act in which the male reproductive organ enters the female reproductive tract.12 The two entities may be of opposite sexes, or they may be hermaphroditic, as is the case with snails. The definition may additionally include penetrative sexual acts between same-sex pairings, such oral intercourse, anal intercourse, and fingering, which are also commonly practiced by heterosexual couples

to pull a petris - the action to leave conference or a group conversation for a couple of minutes without telling anybody , and then return at a random time .