Butt Wummel Share definition Flag To make a spaceship noise with one's butthole. Use of wax papaer is not permitted. Dude, did you hear Paul's butt wummel? It's like a fucking freight train on fire! Butt Wummel by balls and shaft February 28, 2009 0 0 Get merch Get the Butt Wummel mug. Buy Now — $32.95 See more merch