sino bros Share definition Flag A group of friends that always go to the casino together. Ex.) Roley, Reece, Ben, and Tyler are part of the sino bros. Roley: Lemme hit up the sino bros to see who’s down. Reece: Lemme check the sino bros group chat. sino bros by Roley J June 20, 2018 0 0 Get merch Get the sino bros mug. Buy Now — $32.95 See more merch
