Biwinsical Share definition Flag The act of winning at everything you do even if that means getting super wasted on cocaine and alcohol at your own porno party. Did you hear about Charlie Sheens secret army? That guy is biwinsical. Biwinsical by slyfoxninja April 12, 2011 0 0 Get merch Get the Biwinsical mug. Buy Now — $32.95 See more merch