brokeback kneecap Share definition Flag When somebody who is insecure with their masculinity gets hit in the kneecap. Jim was bored while waiting in a long line for food, so he decided to give Albert a brokeback kneecap. brokeback kneecap by Jon, Chris, and Adam February 28, 2006 0 0 Get merch Get the brokeback kneecap mug. Buy Now — $32.95 See more merch