下头

"Xià tóu" literally means "head going down" — the opposite of "shàng tóu" (getting hyped or infatuated). It describes that split-second moment when someone does or says something so cringeworthy, tone-deaf, or off-putting that all your positive feelings for them evaporate on the spot. Think: guy is charming all evening, then makes one misogynistic joke — instant xià tóu. It's the internet's most efficient verdict on a vibe-killer.

As Chinese social media accelerated in the mid-2010s, a vocabulary of quick emotional reactions emerged on platforms like Weibo and Douyin. "Xià tóu" filled a gap — a punchy way to call out disappointing behavior in dating, celebrity culture, or daily life. It resonated especially with younger women pushing back against outdated attitudes, and became a go-to term in relationship discourse and fandom drama alike.

指某人的言行让人瞬间失去好感或兴趣，与"上头"相反，形容令人扫兴、反感的行为。