The Blue Lobster meme spread through short-form meme edits and reposts where a blue-colored lobster appears with a sudden dramatic sound. Online, it became popular because the visual is inherently ridiculous, while the audio gives it the rhythm of a tiny jumpscare. That mix made it easy to reuse in reaction videos, bait-and-switch posts, and fast absurdist compilations. Its staying power comes from how simple the format is: one strange image, one sharp cue, and an immediate comedic payoff.