cast-iron stomach

(redirected from a cast iron stomach)

cast-iron stomach

The ability to eat foods that others may find unusual, unpalatable, or too spicy, without experiencing any ill effects like nausea or upset stomach. My husband has such a cast-iron stomach that he can eat a ghost pepper and feel perfectly fine afterward. You must have a cast-iron stomach if you're eating pickles with peanut butter!
See also: stomach
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

cast-iron stomach

Fig. a very strong stomach that can withstand bad food or anything nauseating. If I didn't have a cast-iron stomach, I couldn't eat this stuff. Fredknown for his cast-iron stomach—ate ten whole hot peppers.
See also: stomach
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs. © 2002 by The McGraw-Hill Companies, Inc.
See also: