ate up with (someone or something)

ate up with (someone or something)

Very interested in or preoccupied with someone or something. Ugh, I'm ate up with a problem that I just can't seem to solve.
See also: ate, up

ate up with someone/something

mod. consumed with someone or something; intrigued by someone or something. Bob is really ate up with his new girlfriend.
See also: ate, someone, something, up