shizen Share definition Flag A word used instead of shit, especially when you are just saying shit, before remebering not to swear. Kid: Daddy, you forgot your wallet. Dad: Oh SHI...zen, Shizen! Kid: 0_o ? shizen by Saldan June 29, 2008 0 0 Get merch Get the shizen mug. Buy Now — $32.95 See more merch