think (one's) shit don't stink(redirected from thinking one's shit don't stink)
think (one's) shit don't stink
vulgar slang To assume an air of arrogance, condescension, or superiority over others; to think that one is better or more refined than other people. Look at her, hobnobbing with the rich upper crust and refusing to come talk to us. Just when did she start thinking her shit don't stink?
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.