/Sounds like 'LIV-ing RENT FREE'/
When something or someone occupies your mind constantly without any apparent reason — they're taking up mental real estate without paying for it. The extended version of 'living rent free in your head.'
Example
"That song has been living rent free in my head since yesterday."
"That guy is still living rent free in her head months later."
Regional synonyms:
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/Sounds like 'LIV-ing RENT FREE'/
When something or someone occupies your mind constantly without any apparent reason — they're taking up mental real estate without paying for it. The extended version of 'living rent free in your head.'
Example
"That song has been living rent free in my head since yesterday."
"That guy is still living rent free in her head months later."
Regional synonyms: