shizza Share definition Flag 1. (noun) something which you step in. 2. (noun) that which comes from dark places. 1. OMG! I just stepped in shizza! 2. The dog barked at me because he had to take a shizza. shizza by Urban Skolar April 9, 2003 0 0 Get merch Get the shizza mug. Buy Now — $32.95 See more merch