Toxic x Pony is a TikTok mashup that pairs Britney Spears' Toxic with Ginuwine's Pony, two songs whose hooks are both instantly familiar to pop and R&B listeners. The combination works because the melodies contrast, with Toxic's sharp, dramatic phrasing sitting over Pony's smoother, slower groove, giving editors a ready-made mood shift in just a few seconds. It spread through dance videos, transitions and reveal edits on TikTok, where the short length makes it easy to reuse. Its staying power comes from that instant recognition, as viewers catch both references at once.