Shitariffic Share definition Flag An adjective used to express something that occured that is so terrificly shity When my car broke down in the middle of the highway on the way to a job interview, I screamed shitariffic. Shitariffic by J-JAM March 21, 2010 0 0 Get merch Get the Shitariffic mug. Buy Now — $32.95 See more merch