Bang War

1: A couple who repeatedly cheats just to spite each other is in a bang war.

2: When someone goes about having sex with one specific persons partners, and the other person retaliates in the same way, they are in a bang war.

1: Shannon slept with two dudes after Dave cheated on her so he had sex with Jane and then she slept with his brother- that bang war lasted two years!
2: Zoe and Amanda have been in a bang war since high school when Zoe slept with Amanda’s boyfriend.