Making the ugly girl your about to have sex with put on a hockey jersey and nothing else. So during you can pull the jersey over her head like in a hockey fight and go to town.
Chase: I heard you slept with that girl with the screwed up nose?
Kyle: Haha ya I didn't notice it, i had a hockey fight with her.
The act of pulling someone's shirt/sweatshirt over there head before landing an upper cut.
As the fight grew to a climax, Bob yelled hockey fight and decisively ended it as he pulled Jim's sweatshirt over his head and landed an upper cut.