Schwang Tang Bang

The ancient art of the aggressive destruction of a vagina by a penis leading to its collapse. Through rigorous training one may perfect it and evolve into the "final form super saiyan unleashed dragon schwang tang bang" - this can lead to the collapse of all vaginas across the universe.

Guy 1: Yo bro how's your girl doing?
Guy 2: I gave her the schwang tang bang last night
Guy 1: shit that must have been tough for her
Guy 2: Nah she's lucky I didn't unleash the final form super saiyan unleashed dragon schwang tang bang.