Big Chungus started as an internet meme built around a still of a notably round Bugs Bunny from a classic Looney Tunes cartoon. Shared widely on Reddit and other social platforms in 2018, the image was captioned with the name itself and soon turned into jokes about anything large, round, or exaggerated. The phrase outlived the original image because it is short, easy to quote, and instantly recognisable to meme audiences. Creators still use it as shorthand for oversized characters and absurd scale, keeping the joke alive in short-form video long after its first viral peak.