SpongeBob SquarePants is a Nickelodeon animated series that premiered in 1999, following SpongeBob and Patrick Star in the underwater town of Bikini Bottom. Clips of their exaggerated voices have circulated as reaction sounds since the early meme era because short lines from the show are instantly recognisable even without video. This shut up exchange joined countless SpongeBob edits, soundboards and short form videos, where familiar cartoon dialogue is reused to react to real conversations. Its lasting appeal comes from nostalgia and from a delivery anyone can understand in a second.