S.A.G. (shit and go) Share definition Flag A person that takes a shit then leaves without waching his hands... (SAG = Shit And Go) "Dude that guy just took a S.A.G." S.A.G. (shit and go) by "B" to the "T" September 8, 2005 0 0 Get merch Get the S.A.G. (shit and go) mug. Buy Now — $32.95 See more merch