on one's mind

comparative more on one's mind · superlative most on one's mind

1. idiomaticIn one's thoughts, especially persistently or recurrently.

   With my mind on my money And my money on my mind

   1993, “Gin and Juice”, in Doggystyle, performed by Snoop Dogg

   2 more examples

   Oh, Ophelia You've been on my mind, girl, like a drug Oh, Ophelia Heaven help a fool who falls in love

   2016 February 5, Wesley Schultz and Jeremy Fraites, “Ophelia”, in Cleopatra, performed by The Lumineers

   Don't think I've left you all behind Still love you and Tennessee You're always on my mind

   2020 April 3, Chappell Roan, Dan Nigro, “Pink Pony Club”performed by Chappell Roan

2. idiomaticCausing worry or preoccupation.