Felpo circulates as a standalone soundboard clip with no widely documented original film, show or song source. Shared mainly through short form edits, streams and group chats, it spread because the single word needs no context to work as a joke. Viewers do not need to know who Felpo is for the drop to land, the randomness is the point. That lack of backstory has kept it flexible, letting creators reuse it as a reaction, a fake callout or a deliberate interruption in unrelated videos.