Deadass September 14, 2026 by 1 min read Deadass — Seriously, or genuinely — used to stress you’re not joking. “I’m deadass about to fall asleep at my desk.” Origin: General internet reaction slang, spread mainly through TikTok and X/Twitter comment sections. Reactions & internet culture More Terms You'll LoveRizzlerSkibidiBrokie EnergyScrolling InjurySpin BackShitpost