The clip comes from Rejected, Don Hertzfeldt's 2000 animated short made of stick figure sketches originally created as fake commercials. In the banana sketch a character insists he is a banana while the other calmly repeats that his spoon is too big. The film became a cult hit online in the early file sharing era, and its quotable lines spread as catchphrases and soundboard clips. Decades later the deadpan delivery still works as shorthand for surreal, pointless humor.