| stink up stink up (something) 1. to make a place smell unpleasant. Take the garbage out before it stinks up the entire house. 2. to do something very badly. Every time I begin a new job, I worry that I'm gonna stink it up, you know? Usage notes: sometimes used to suggest that an experience causes you to react as you would to a bad smell: The Dolphins stunk up Rich Stadium by losing 40—0. Added def. 2 and usage note--SL, 2/03 |