slang One's buttocks. Why don't you kids go play outside instead of sitting in here on your roosters playing video games all day?
See also: rooster
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
n. the posterior; one’s butt end. (Because one roosts on it.) Don’t just sit there on your rooster. Get to work.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.