have a lot on

have a lot on

To have several things scheduled; to have multiple things happening at a particular time. Unfortunately, I have a lot on this weekend, so I can't hang out.
See also: have, lot, on
Farlex Dictionary of Idioms.

(not) have a lot, anything, etc. ˈon

be busy/not busy: I’m sorry I can’t come with you, but I’ve got a lot on at the moment. I haven’t got much on next week, so I might be able to spend some time with the kids.
See also: have, on
Farlex Partner Idioms Dictionary
See also:
  • have a lot, anything, etc. on
  • being
  • step things up
  • a ton of (people or things)
  • that's (just) how it goes
  • that's (just) the way it goes
  • that's (just) the way it is
  • that's (just) the way it plays
  • That's the way it goes
  • the way it plays