OutiStone Share definition Flag OutiStone is the name of a BITCH ASS HOE. She always cheats on people with others. Yo, did you here what my girlfriend did last night? Yeah, She's such an OutiStone. Haha yeah. OutiStone by 1k dude September 19, 2020 0 0 Get merch Get the OutiStone mug. Buy Now — $32.95 See more merch