洗脑 (xǐ nǎo) — Brainwashing
Literally 'brainwashing,' this term describes content that is catchy or addictive, often used to refer to songs, memes, or trends that get stuck in one's mind.
Example Usage
这首歌太洗脑了，我一天都在哼。
This song is so catchy; I've been humming it all day.
Cultural Context
Often used to describe viral content that is hard to forget.
Category: internet-culture