A word often used to refer to a sex position in which the woman lies with her hips off the side of the bed, while a super vanilla guy with no rhythm pokes her vagina with his dick in a very mechanical way.
He's not very good in bed; I usually just lie there while he pegs me.
Peg, a form of slang used in American english for have something to drink, mainly soft drink. Not commonly used used term but used in movies and American series.
Russ: when are you gonna finish your peg bro? It’s already late man.
to punch someone who has made you upset
they pissed me off today, i’m going to peg them so hard in the face
Girl who puts a fake dick on and rails you with it is pegging you