what's eating you


Also found in: Acronyms.

What's eating (someone)?

What's bothering someone? Why is someone in a bad mood? What's eating Terry today? I asked him how his weekend was and he just glared at me. I've never seen her act that way before. What's eating her?
See also: eating

what's eating you

Also, what's bugging you. What is annoying or bothering you? For example, We've conceded just about every point, so what's eating you now? or You're in a terrible mood-what's bugging you? The first slangy term, dating from the late 1800s, presumably uses eat in the sense of "consume"; the colloquial variant, from about 1940, uses bug in the sense of "annoy." Also see what's with.
See also: eating
References in periodicals archive ?
The first exercise in What's Eating You? is a three-page questionnaire to help teen looks at their eating behaviors.
What's eating you? Corrosion is insidious and ever present.
What's eating you is that he's stopped being a mug and your crocodile tears have no impact.