What is another word for something on the brain?
Pronunciation: [sˈʌmθɪŋ ɒnðə bɹˈe͡ɪn] (IPA) 
The phrase "something on the brain" is a colloquialism that signifies that someone is preoccupied or obsessive with a particular thought or idea. It is often used to describe a person who can't stop thinking about a particular subject or problem, and it is usually expressed with humor. Synonyms for this phrase include "fixation," "preoccupation," "obsession," "adherence," and "concentration." These words all carry a similar meaning to "something on the brain" and can be used interchangeably to express the same sentiment. Whether you're trying to describe your own thoughts or someone else's, there are numerous synonyms that you can use to communicate this idea in a variety of different ways.
