billybobbing Share definition Flag the act of shoving a fishing bobber in to someones ass and turning the reel to get it back "Yes Matt, lets go billybobbing in each others ass!" said the drunken hooker billybobbing by David applebees Donahue June 22, 2011 0 0 Get merch Get the billybobbing mug. Buy Now — $32.95 See more merch