dirty dangs Share definition Flag The designation given when one's scrotum hangs below a reasonable level. Often hairy, dirty, and generally unkempt. Guy 1: "Jeff's hairy nutsack hangs down a good six inches." Guy 2: "He's got the dirty dangs!" dirty dangs by Froogyburger January 17, 2008 0 0 Get merch Get the dirty dangs mug. Buy Now — $32.95 See more merch