gutless wonder

The idea is that the addressee's figurative gutlessness (cowardice) has been carried over into physical gutlessness (disembowelment), and that his bowel-less survival is a wonder.

• "What in the hell was wrong with him, anyway. Just a gutless wonder - nothing more or less."
• "Yer can't even fight unless you've got a knife or picket or broken bottle, yer gutless wonder."

• chinless wonder