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On the brain Meaning in English

expression

ˈɑn/, /ˈɔn/ /ˈðə/, /ðə/, /ði/ /ˈbɹeɪn
AWN thuh BRAYN
ˈɒn/ /ðə, ði/ /bɹˈeɪn
ON thuh BRAYN

Definition

If you have something "on the brain," it means you keep thinking about it all the time, often because you are obsessed or very interested.

Usage & Nuances

"On the brain" is informal and often follows 'have' or 'got' (e.g., 'I've got pizza on the brain'). It signals strong focus, sometimes to the point of distraction. Used about people, ideas, food, worries, etc. Not used for medical conditions.

Example Sentences

Lately, I've had soccer on the brain.

basic

She has exams on the brain and can't relax.

basic

If you have chocolate on the brain, it's hard to eat healthy food.

basic

He can't stop talking about his new car—he's got it on the brain.

natural

I’ve had that song on the brain all week. It won’t go away!

natural

Why are you so quiet? Got something on the brain?

natural