Boston Brown Roller Share definition Flag Oral sex given to a male after he has performed anal sex without washing his penis between acts. Yo Bro, I have this chick the most awesome boston brown roller last night and left her with doo-doo breath. Boston Brown Roller by Npeezy4Reezy September 30, 2016 0 0 Get merch Get the Boston Brown Roller mug. Buy Now — $32.95 See more merch