The step before grinding. When a girls butt is all up in a guy's "you know" in the context of dancing.
They were "Booty Brushing" at prom because they were just friends.
by akmjecacd February 16, 2011
When a mans beard brushes against a woman's anus (intentionally and unintentionally) during oral stimulation of the genitalia; cunnilingus, fellatio.
by The_butterscotch_bandit September 05, 2017
When somebody accidentally walks past you when you are sitting, brushing their but across your face.
by chodebro January 27, 2015