eat nails

eat 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!
See also: eat, nail
Farlex Dictionary of Idioms.

eat nails

tv. to do something extreme in extreme anger. (see also mad enough to eat nails.) Sam was ready to eat nails.
See also: eat, nail
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • a dog's breakfast/dinner
  • brekkie
  • (as) tough as nails
  • tough as nails
  • be (as) hard as nails
  • a dog's breakfast
  • (as) hard as nails
  • hard as nails
  • from hell to breakfast
  • angry enough to chew nails
References in periodicals archive
"I told Tommy I felt like I could eat nails, so he let me take control," Robles said.
Belichick is an East Coast guy who hangs out with the reclusive Ernie Adams and would rather eat nails than wear a tie.
She describes her job in much the same way as many of us might describe our own work: "You get up in the morning and eat nails for breakfast, you don a full suit of armor, and then you go to the floor, where you do battle." The only difference is the venue--we do battle every day in courtrooms across America, while the Speaker does battle in the halls of Congress.
"I'm mad enough to eat nails right now," Stevens said after the vote.
After narrowly losing this vote, the senior senator, who chairs the committee that funds the zoo, said he was "mad enough to eat nails," which may or may not produce a quicker death than that suffered by two endangered red pandas that ate rat poison scattered about their National Zoo enclosure in January by cut-rate exterminators.
He brushed aside characterisations of himself as a stubborn man who eats nails for breakfast, saying with a laugh: "All of these are exaggerations - I don't eat nails." But he added: "It's right - I am a man of principles."