living rent free

💡 Meaning

When a person, song, or memory occupies your mind constantly without being invited — it's squatting in your head for free.

어떤 생각이나 사람이 내 머릿속에서 떠나지 않는다는 뜻이에요. 원하지 않아도 계속 떠오르는 것을 재미있게 표현한 말이에요.

🧠 Memory Hook

Imagine your brain as an apartment — that catchy tune moved in without paying any rent.