“Yeet” became widely known as internet slang in the mid-2010s, tied to short videos, reaction memes and joke edits where someone throws or launches something with force. The shouted version spread across meme culture because it is simple, instantly readable and easy to sync with action. It remains common in compilations, gaming clips and reaction edits for the exact same reason as Vine boom sound effects: it gives a split-second action a much bigger comedic payoff.