Coke off a Boner Share definition Flag The literal act of snorting cocaine off of an individual's erect penis. Often done in desperation. So… you wanna do coke off a boner? Coke off a Boner by Tigonbiddies January 14, 2014 0 0 Get merch Get the Coke off a Boner mug. Buy Now — $32.95 See more merch