Periodt September 14, 2026 by 1 min read Periodt — An emphatic “period” — used to mark a statement as final and non-negotiable. “She said what she said, periodt.” Origin: General internet reaction slang, spread mainly through TikTok and X/Twitter comment sections. Reactions & internet culture More Terms You'll LoveThirstyStanBrokie EnergySay LessFan BehaviorNo Motion