Shitsauce Share definition Flag shitty sauce, a response when something goes horribly wrong. Doerr: "dude I just lit your kitchen on fire... sorry" Jon Bednarz: "AHHHH SHITSAUCE!!!!" Shitsauce by Doerrdoerr July 21, 2011 0 0 Get merch Get the Shitsauce mug. Buy Now — $32.95 See more merch