Toothy bum Share definition Flag Inserting toothpaste inside your anus so your arse smells minty and fresh. My arsehole stinks! Have you got any Colgate? I fancy having a toothy bum today. Toothy bum by xSonic Hedgehog December 27, 2014 0 0 Get merch Get the Toothy bum mug. Buy Now — $32.95 See more merch