The phrase uses French internet slang, where pk shortens pourquoi and ta gueule is a rude way to tell someone to shut up. Clips like this spread through French speaking social media, messaging apps and soundboards as short voice reactions that can be dropped into a chat without typing an explanation. Its popularity comes from the casual, exasperated tone that many users recognise from everyday arguments, and it remains used as a meme reply when a conversation gets too loud, repetitive or absurd.