nincomcrap Share definition Flag a medium level of stupidity and idiotic lack of common sense; between nincompoop and nincomshit That guy's a total nincomcrap.You don't do it that way you, nincomcrap. nincomcrap by asianguy22 December 19, 2009 0 0 Get merch Get the nincomcrap mug. Buy Now — $32.95 See more merch
