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YFHB (acronym) You Fat Head Bitch An insult used to call someone out when they’re acting dumb, annoying, cocky, or just plain delusional. Usually said to someone whose ego is way bigger than their actual status or actions. It’s a savage Gen Z roast that hits hard and fast. The term was coined by online users and popularized by TikTok personality @wsptrust, known for delivering viral roasts and Gen Z slang that stick.
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