dangleberry Share definition Flag A lump of fecal matter that causes a man's anal hair to curve inward and become red, swollen and infected. I got a dangleberry on my ass and it hurts every time I sit down. dangleberry by GuidoPosse69 February 22, 2005 0 0 Get merch Get the dangleberry mug. Buy Now — $32.95 See more merch