Shi-Mo-Fo Share definition Flag Stands for "Shit, Motherfucker"! This is ususally used to decribe extreme pain or displeasure. Shi-Mo-Fo Butter and Bread be fuckin' me up to the bones! Shi-Mo-Fo by Hugh G. Rekshon December 25, 2007 0 0 Get merch Get the Shi-Mo-Fo mug. Buy Now — $32.95 See more merch