be yellow
be yellow
To be cowardly. I'm not surprised that Tom didn't come to the rally—he's too yellow to defend his beliefs in public.
See also: yellow
Farlex Dictionary of Idioms.
- yellow
- yellow-bellied
- have a yellow belly
- lily-livered
- chicken-hearted
- liver
- yellow-bellied chicken
- code yellow
- yellow cake
- yellow-belly