Chicken liver

This is Rob's home too, you chicken liver!

The boys were becoming irritable and fistfights broke out. Between shouted threats and name calling — "turkey breath"; "frog face"; "stupid turd"; "just try ... I dare you, chicken liver" — I had come to the conclusion that prison life was not working for the inmates […]

“Show yourselves, you chicken livers.” He repeatedly yelled tauntingly into the Zipper's megaphone. “Come, they will be dying soon. Are you just going to watch? Come, save them. It is their only chance.”