nutz is killin Share definition Flag another word for blue balls or any other unpleasant sharp pain on your nuts. donnie:"Damn fool, my nutz is killin today.donnie:"Fuck, my nuts is still killin. nutz is killin by w@Zgood June 1, 2009 0 0 Get merch Get the nutz is killin mug. Buy Now — $32.95 See more merch