Shau up Share definition Flag shortened version of the term "shut up". The "P" is almost silent, and when used it is ussually shouted in an angry tone. Shau up! You wanna lose, yall wanna lose tonight?" Shau up by Pete October 29, 2003 0 0 Get merch Get the Shau up mug. Buy Now — $32.95 See more merch
