Simon can you shut up! Share definition Flag Simon can you shut up! Its a sentence used when autism hits a peak of annoyance. Simon: PEWPEWPEWPEWPEWPEWPEWPEWPEWPEW Erik: Simon can you shut up! Simon can you shut up! by kuckky August 4, 2022 0 0 Get merch Get the Simon can you shut up! mug. Buy Now — $32.95 See more merch