have a lot, anything, etc. 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

have anything on

To have plans scheduled; to have something happening at a particular time. Do you have anything on this weekend? If not, do you want to hang out?
See also: anything, have, on

not have a lot on

To have very few or no plans scheduled; to have not much happening at a particular time. I don't have a lot on this weekend—do you want to hang out?
See also: have, lot, not, on

not have anything on

1. To have no plans scheduled; to have nothing happening at a particular time. I don't have anything on this weekend, do you want to hang out?
2. To have no clothes on; to be naked. One moment, please. I'm just out of the shower and don't have anything on!
See also: anything, have, not, 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 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