What is Balltap?
1.
1. A swift unexpected strike to a male's crotch, often with an open palm.
2. A game involving hitting other males in the crotch: the Antagonist initiates the game by saying "Balltap?" to the Target. If the Target responds affirmatively in any fashion or repeats the word "Balltap" back, it is legitimate for the Antagonist to attempt a balltap. The Target may defend by either responding negatively, ending the game, or responding affirmatively and rapidly attempting to balltap the Antagonist (a Reversal).
Male 1: "Balltap?"
Male 2: (confused) "Balltap?"
Male 1 strikes Male 2 in crotch.
Male 2: "Owww! Fuck!"
Male 1: "I win."