have something on your mind

have (someone or something) on (one's) mind

To be thinking about someone or something, perhaps to the point of preoccupation. I've had Jennie on my mind lately—do you know how she is? You look worried—do you have something on your mind?
See also: have, mind, on
Farlex Dictionary of Idioms.

have something on your mind

be troubled by the thought of something.
See also: have, mind, on, something
Farlex Partner Idioms Dictionary

have something on your ˈmind

,

something is on your ˈmind

be worried about something; be thinking a lot about a problem, etc: His daughter’s very ill, so he’s got a lot on his mind just now. She asked me if there was anything on my mind.
See also: have, mind, on, something
Farlex Partner Idioms Dictionary
See also:
  • have (someone or something) on (one's) mind
  • have on mind
  • have a thing about
  • have a thing about (someone or something)
  • have a thing about somebody/something
  • be nothing to do with (someone or something)
  • be/have nothing to do with somebody/something
  • be short with (one)
  • (Do you) know what I mean?
  • nerd pack