Definition, Meaning & Synonyms

have-on-the-brain

idiom

/hæv ɒn ðə breɪn/

Definition

To be preoccupied with something or to think about it excessively.

Examples

She has been having travel plans on the brain ever since she returned from her last trip.
He can’t seem to get that project on the brain; it consumes all his thoughts.

Meaning

When someone has ‘have on the brain’, they are constantly thinking about a particular subject, often to the point of distraction. It indicates an obsession or intense focus on an idea, situation, or topic.