UFO Por circulates online as a short meme soundboard clip rather than a line from a widely documented film or television show, and its exact original source is not clearly established. That ambiguity is common for viral soundboard audio, which spreads through reposts, edits and short-form videos where the joke matters more than the source. Creators keep using it because the alien theme is instantly recognisable and the clip is short enough to drop into almost any funny moment without slowing the edit down.