have something/a lot on the ball

have a lot on the ball

To be attentive, knowledgeable, and quick to take action. Primarily heard in US. I'm so glad that my assistant has a lot on the ball because I'm too scatterbrained to manage my schedule on my own. I can't believe Molly got that report done so quickly—she really has a lot on the ball.
See also: ball, have, lot, on

have something on the ball

To be attentive, knowledgeable, and quick to take action. Primarily heard in US. I'm so glad that my assistant has something on the ball because I'm too scatterbrained to manage my schedule on my own. I can't believe Molly got that report done so quickly—she really has something on the ball.
See also: ball, have, on, something
Farlex Dictionary of Idioms.

have a lot on the ball

have a lot of ability. US
See also: ball, have, lot, on
Farlex Partner Idioms Dictionary

have something/a lot on the ˈball

(American English, informal) be capable of doing a job very well; be intelligent: I think she has a lot on the ball and would make an excellent senator.
See also: ball, have, lot, on, something
Farlex Partner Idioms Dictionary

have a lot on the ball

phr. [for someone] to have ability and knowledge and be attentive and useful. She can do it. She’s got a lot on the ball.
See also: ball, have, lot, on
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • be on the ball
  • (it's) good to hear your voice
  • (something) is over (one's) head
  • be at a disadvantage
  • at a disadvantage
  • address (one's) comments to (someone or something)
  • address comments or remarks to
  • address (one's) remarks to (someone or something)
  • be in it for
  • at the point of (doing something)