Diegen Dergen Share definition Flag a diegen dergen (dee-gen der-gen) is a make up “german word” that is use to call someone a dickhead or a dumbass. “bruh he really stole a candle at Walmart”“He’s such a diegen dergen” Diegen Dergen by sad_nibba_hours November 13, 2018 0 0 Get merch Get the Diegen Dergen mug. Buy Now — $32.95 See more merch