The line comes from SpongeBob SquarePants, the long-running Nickelodeon animated series about SpongeBob and his friends in Bikini Bottom, where Mr. Krabs runs the Krusty Krab restaurant. Voiced by Clancy Brown, Krabs is known for his love of money and his short temper, which makes his warnings sound both serious and funny. The short clip has spread through meme soundboards and reaction videos, where creators use it to tell someone to stop before they go too far. Its simple wording and instantly recognisable voice keep it useful in new edits.