what's eating you?

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.

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
See also:
  • a stranger to (someone or something)
  • be in bad with (someone)
  • accompany (one) on a/(one's) journey
  • accompany on a journey
  • be out of (one's) league
  • be out of somebody's league
  • (one) puts (one's) pants on one leg at a time
  • bargain
  • bargain for (someone or something) with (someone)
  • brief (someone) about (someone or something)