killing the wizard 

Slang phrase used for urinating. Alot.

"Man, I drank way too much beer. I'll be in the john, killing the wizard."

killing the wizard by Bee's Knees February 3, 2010

killing the pig 

To make a large sum of money. Derived from a "piggy bank" with so much money in it that it's stuffing and hence killing the pig.

Any one who has bought investment property in Perth, Australia is killing the pig.

killing the pig by Bacon & Cheese July 25, 2007

killing the monster 

Masturbating

I will be a little late, I am currently killing the monster.

killing the monster by Sensei85 December 1, 2017

killing the cat 

Really shitty singing

Someone with headphones on, thinking they are singing their ass off, when infact they sound like a cat being killed slowly. Killing the Cat.

killing the cat by RomelloX December 21, 2013

Killing the Unicorn 

Slang for having sex.
Origin: Unicorns of myth reputably could only be tamed by virgins. So, were a man or woman to kill the unicorn they would be slaying the metaphorical virginity. Used in everyday situations it is simplified to having sex.

Guy 1: Dude? What are you doing tonight?
Guy 2: Oh, you know, going to my girlfriend's house. We're killing the unicorn.

Killing the Unicorn by elemenopee March 13, 2009

Killing the werewolf 

Shaving any stray hairs growing between the eyebrows. These may otherwise have grown into a unibrow, thus causing you to look like a werewolf.

Her: Come on! Let's go already!
Him: Yeah, I'll be right out. I'm just killing the werewolf.

Killing the werewolf by Aulin July 21, 2009

Killing the Game 

Making sure you comment and like on every facebook post that you see. The relevance of the comment is not necessary and neither are others acknowledgment of said comment. It is necessary to always be on facebook to be killing the game.

Ben: Damn Lauren, have you been on facebook today?
Lauren: Yeah, Brian is totally killing the game

Killing the Game by failedatkillingthegame October 7, 2013