have a yellow belly(redirected from have a yellow-belly)
have a yellow belly
To tend to act in a cowardly manner. Of course Tom didn't come and defend his views at the rally—he has a yellow belly!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
have a yellow bellyand have a yellow streak down one's back
Fig. to be cowardly. Tex has a yellow streak down his back a mile wide. He's afraid to cross the street!
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.