Killtastrophe 

In Halo 3, obtaining 8 kills within 4 seconds of each other; one step up from Kilimanjaro.

Holy shit! That guy just caused a Killtastrophe!

Killtastrophe by Baron Von Kristophe December 27, 2007

Killtacular 

In Halo video game series, when you kill 4 opponents within 4 seconds of each other. When someone gets a killtacular, it is announced to that player by the Halo announcer.

The announcer in Halo yelled "Killtacular!"

Killtacular by Zach Dorsett October 4, 2005

killtacular 

To merc people in Halo hard.
Killing 4 or more people in rapid succession.

I hear killtacular a lot when I play

killtacular by SirHumpsAlot July 3, 2003

killtac 

Shortened from Killtacular. Frequently used in telling a story. Occurs when playing the Multiplayer version of Halo 2 and is the killing of 4 people within 4 seconds of each preceeding kill.

"I just got an insane killtac with a BR."

killtac by pyro777 January 24, 2007

killtacular 

Derived from an award on Halo whereby the player gains 4 kills in rapid succesion *aka they pwn you real bad*

Now an online synonym for anyone who dishes out the pwnage big time

pwnage! that was KILLTACULAR!

killtacular by Arrow January 8, 2005

killtacular 

A term said by the Halo 2 announcer when a player kills four players in a row in very rapid succession.

"you coax, what does killtacular mean?"
"It's like the thing you do with underage teens, 4 in a row, 4 seconds between"
-Futuristic sex robotz

killtacular by Zakkkk December 29, 2007

Killtacular 

1. Getting 4 kills in 4 seconds in the Halo: Combat Evolved or Halo 2 video games.

2. Something impressive or spectacular.

3. ownage.

These Chilidogs are killtacular.

Double Kill. Triple Kill. Killtacular!

Killtacular by CalibMatlock August 10, 2006