Boof brush Share definition Flag A tooth brush that you pour alcohol on and shove up your ass to get drunk really fast "You want a drink? Let me get you a cup""Nah I'm good. I've got my boof brush" Boof brush by benjaminblanco July 9, 2021 0 0 Get merch Get the Boof brush mug. Buy Now — $32.95 See more merch