This clip appears to be a user-uploaded burp rather than a line from a film, show, or game, with the title crediting it simply to Fadl and adding the Dutch and Afrikaans word lekker, meaning tasty or nice. That framing helps explain its online life: short, gross-out reaction sounds travel well because they need no context and can be dropped into almost any joke. Burps have long been a staple of prank and comedy soundboards, and this one survives for the same reason, as a quick, instantly understood gag for memes, edits, and chat reactions.