The phrase is French and translates literally to poop in my mouth, which explains the immediate gross-out humour. The clip circulates on meme soundboards under a title linking it to Gims, the French singer and rapper, though its exact recording origin is unclear. Short repulsive phrases like this spread because they need no context, work even for viewers who do not speak French once they learn the translation, and can be reused as a reaction to food, smells, and disgusting stories shared online.