have (someone or something) on the brain(redirected from have (someone) on the brain)
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have (someone or something) on the brain
To be thinking of someone repeatedly over a period of time; to have someone at the front of the mind. I had Alice on the brain today, and she just called me, can you believe it? Do you want Italian or Chinese tonight? I know dinner is hours away, but I just have food on the brain.
have something on the brainbe obsessed with something. informal
have somebody/something on the ˈbrain(informal) think and/or talk a lot or too much about somebody/something: You do nothing but talk about your job; you’ve got work on the brain!
have something on the brain
tv. to be obsessed with something. (Have got can replace have.) I have money on the brain, I guess.