Yapper September 14, 2026 by 1 min read Yapper — Someone who talks constantly. “She’s a yapper, ask one question and get a twenty-minute answer.” Origin: General internet reaction slang, spread mainly through TikTok and X/Twitter comment sections. Reactions & internet culture More Terms You'll LoveCancel CultureFacepalmViral LoopSix SevenLoreStanding on Business