The phrase in this audio is Spanish for correction, I know your father, and its popularity online comes from how the wording works without any extra context. Short Spanish voice notes like this circulate widely in meme edits, group chats and soundboards because they are easy to reuse as a reaction to many different claims. The clip lasts about nine seconds, long enough for the correction to register but short enough to drop into a video, and that flexibility has kept it in use as a reusable comic interruption rather than a one scene quote.