This sound is commonly used online as a short meme reaction effect rather than for a widely recognized character or film quote. Creators drop it into fast edits because the slap noise gives immediate impact and the brief vocal reaction sells surprise in the same beat. It fits the same family of exaggerated punch-in sounds as Whip and other quick comedic stingers. Its staying power comes from how easy it is to place on a cut, a hit, or a visual fake-out without needing any setup.