what's eating you?

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Related to what's eating you?: Eating disorders

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
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

what's eating you (or him or her)?

what is worrying or annoying you (or him or her)? informal
See also: eating
Farlex Partner Idioms Dictionary © Farlex 2017
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