eat nails(redirected from eaten nails)
To act in an angry, often intimidating, manner. Don't talk to that guy, he looks like he eats nails for breakfast! Can you believe she said that to me? Oh, I could eat nails!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
tv. to do something extreme in extreme anger. (see also mad enough to eat nails.) Sam was ready to eat nails.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.