SHAWEENIED Share definition Flag to mess up, or do badly. Verb: another form of Sweeney Origin: Atlantic Highlands West Side As the billiard player scratched on the final shot, the opponent proclaimed "you SHAWEENIED it. SHAWEENIED by C. VASTO September 6, 2003 0 0 Get merch Get the SHAWEENIED mug. Buy Now — $32.95 See more merch