Type Killer 

One who takes advantage of online players who cannot type as fast and/or do not have a voice headset to speak on, and kills them while they are in the process of typing out a message. Not to be confused with a TK'er, which means something totally different.

Victim: *Typing out message*
Attacker:*Takes adavantage of victim's inability to protect themself and kills them*
Victim: Dude, stop type killing, ya Lamer.

Type Killer by Shockcannon May 13, 2005

cerial killer

The person who is wanted for the murder of such people as Tony the Tiger and the Trix rabbit.

I know there is a cerial killer on the lose when i see a leperachan drowned to death in milk and is imprisoned in melted marshmelllow! beware all iconic cerial mascots! you may be next!

cerial killer by oh noez!!!!!!! October 1, 2007

Halo-killer 

A console video game (a first-person shooter specifically) which is better than, or claims that it is better than, the games in the Halo franchise. Perfect Dark claimed this and failed, Killzone claimed this and failed. Call of Duty 4 is indirectly claiming this and might fail. No game has yet been able to claim the spot of being better than Halo, and to claim to be a halo-killer pretty much destroys any slim chance they might have had.

"Dude, Perfect Dark is gonna be a Halo-killer."
"No, it's not, you are wrong, asshole, Perfect Dark blows."

Halo-killer by sparkles mcgee October 22, 2007

team-killer 

A person who shoots his own team mates in Multi-Player games for the fun of making others mad.

example: My friend Joe is a Call of Duty Team-killer.

team-killer by Q December 7, 2004

cereal killer 

1.one who kills cereals

2.another name for Montana

1. Oh no! My Cocoa Pebbles are dead! Must've been a cereal killer!

2.Where do you live young man?
Why I live in Billings, cereal killer.

cereal killer by fishrocker April 7, 2009

cooler killer 

Someone who won't let you talk about a TV show around the water cooler at work, because they have it recorded.

"Hey did you guys see the Office last night?"
"Shh! don't say anything...I have it on my DVR."
"What a cooler killer!"

cooler killer by ccmarv January 22, 2009

Cool Killer 

A title given to a person who makes a previously cool thing uncool, including things like music, websites and blogs. People could include parents, stupid famous people, and advertisers.

"Why haven't you been on Twitter lately?"
"You didn't see? Barbra Walters made an account and talked all about how cool it was on the news."
"Wow. What a cool killer."
"Totally."

"I went to a party, and some cool killer just starting giving this gay speech about global warming. We all just got up and left."
"Haha, what a fag."

Cool Killer by OmgAsnowmaine April 14, 2009