get your game on

The catchphrase of Jaden/Judai Yuki of Yugioh GX. It's much better than the other protagonist's catchphrases

Chazz: I challenge you to a duel, Jaden!

Jaden: Alright, Get your game on!

Get your game wet

An imperative sentence demanding that the reciever "gets some" of whatever it may that you think is fun such as getting drunk or hooking up with a female.

John: I really would like that girl to blow me.
Mike: Well get your game wet!