Willbo In Share definition Flag A word which is used to describe someone, or something which is "all fart and no poo" (all chat and no action). Steve: "When we go home lets funnel loads of booze" Sally: "Steve mate you are Willbo In." Willbo In by Simon Rowe February 25, 2008 0 0 Get merch Get the Willbo In mug. Buy Now — $32.95 See more merch
