all over something

all over (something)

1. Very interested in something. My daughter is all over tennis these days, so I just signed her up for some lessons.
2. Actively doing or working on something. You need this printed out? No worries, I'm all over it.
See also: all, over
Farlex Dictionary of Idioms.

all over something

mod. very fond of something. Dave is all over old bikes.
See also: all, over, something
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • be into (something)
  • blackball
  • blackball (one)
  • out of the swim (of things)
  • out of the swim of things
  • sideline
  • on the sidelines
  • keep track
  • keep track of something/someone
  • keep/lose track