langer Share definition Flag Slang term that denotes 'Penis'. However it is very versatile and can even be used as a term of affection. You're some langer! Can mean: You're a dickhead or You're an affable rogue. langer by gozzy1 April 3, 2009 0 0 Get merch Get the langer mug. Buy Now — $32.95 See more merch