Gwinner Share definition Flag Is one of the top last names to ever have. Especially when you're a gamer. G-Winner, honestly what's better? NOTHING. XBox Live Player: Dude, is GWINNER a girl? GWiNNER: You got it, duuuude. Gwinner by GWiNNER July 6, 2009 0 0 Get merch Get the Gwinner mug. Buy Now — $32.95 See more merch