yalsner Share definition Flag one who thinks he is good at Halo 2 and is not. also it can relate to someone who does not have GRAW. similar to noob "quit being such a yalsner because your 360 broke again" yalsner by <Da MAC & Co.> May 8, 2006 0 0 Get merch Get the yalsner mug. Buy Now — $32.95 See more merch
