Short demand phrases like this became popular on soundboards because they work without any visual context, and this one spread through meme edits, gaming clips and group chats. The humour comes from treating a belt, an oddly low-value item, as if it were worth mugging someone for, which gives editors a simple setup for fake stickup jokes. It is now reused mainly as a standalone reaction clip, pasted over unrelated footage whenever a character takes something, shows off clothing, or pretends to rob another player for laughs.