SHUT UUUUUUP!!!!! Share definition Flag What your parents or history teacher tell you when you act like a twobblehead – "Look at me, Sir! I'm a twobble!" – "SHUT UUUUUUP!!!!!" SHUT UUUUUUP!!!!! by DenergyisGud October 20, 2023 0 0 Get merch Get the SHUT UUUUUUP!!!!! mug. Buy Now — $32.95 See more merch