The line comes from a ProtonJon stream of Super Mario Bros. 3: Nightmare Edition, a fan-made twist on the classic Mario game, where Jon reacts to a character unexpectedly sporting a beard. Clipped from the longer broadcast, the moment took on a second life on soundboards, where short streamer reactions are easy to drop into edits and memes. It has stayed in use because the joke is instantly clear even without game context, making it a handy reaction for any sudden appearance of facial hair.