Pretty self-explanatory. 1 vs. 1, tag team, triple threat, battle royal, any kind of match you can think of. Maybe even a made-up one?
Basically if you've seen Inception or even the trailer, you'll know there's a huge fight scene that takes place in the corridor where they fight on the ceiling and walls. To the best that you can, re create this scene x
Start a fight with a friend or a complete stranger if you are badass. It doesn't have to be a brutal and bloody fight, but... yeah