stupidumbasshit Share definition Flag Stupid, DumbAss and Shit all mixed in one word. Dude #1: dude, where's the freakin' beer? Dude #2: oh! sorry! i forgot!Dude #1: stupidumbasshit!!! stupidumbasshit by bullshlakka November 2, 2009 0 0 Get merch Get the stupidumbasshit mug. Buy Now — $32.95 See more merch