When a male with genitals repeatedly smacks a hammer on his juicy throbbing cock when it bleeds put it in a dogs mouth or cat in desparate situations for a cock bust. its also related to docking sometimes if both men enjoy cock busting
hey you coming to the bar?
no im gonna stay home and cock bust.
you shouldve said earlier ill come but i dont have my good hammer.
thank god i hate doing it alone!