‘Boo’ Trend Prank Goes Viral on TikTok
Key Highlights The “Boo” trend emerged as a viral sensation on TikTok before expanding across platforms such as Instagram around mid-to-late September 2026. Participating creators cross their eyes, make exaggerated funny faces, say “boo,” and advance toward the camera in reference to an original viral clip. The format has widely evolved into a prank targeting ...