The line comes from SpongeBob SquarePants, the long-running animated series centered on SpongeBob and his grumpy neighbor and coworker Squidward Tentacles. Fans clipped the defensive outburst and shared it as a standalone reaction, separate from its episode context. Online, it spread through meme edits and soundboards where cartoon quotes are reused to police jokes about favorite characters. It remains popular because Squidward has a huge fan following, and the clip lets people play the loyal defender in any group chat argument about him.