A reward given to players in Newer Call Of Duty games after killing a certain amount of enemies without dying. Normally consisting of a support helicopter, dogs, or air-strike. Until Modern Warfare 2 was released and gave players many more rewards for camping and being little pansies abusing care packages and sentry guns. Higher streaks include Harriers that hover with chain guns, predator missiles you control and AC-130 and chain gunships that spawn kill.

Upon camping your ass off to a 25 killstreak you can call in a nuclear warhead to end the game, because by that time the entire server is sick of your shit and at least Infinity Ward is self aware of what they did to a "realistic" war shooter.
Smokeytoke420 with a title and emblem of a weed leaf obtained his AC-130 Killstreak where he proceeded to spawn kill the enemy team as they were punished for not camping.
by Moonjabi January 6, 2010
A girl who purposely aims low and flirts with males in a lower league (especially with simps or white knights) in hopes of adding to their body count to impress a male who is in a higher league.
Lydia is such a Killstreaker. She is only hanging out with James to impress Johnathan.
by simpdeystroyer December 22, 2019
when a guy gets a blowjob from a girl while playing Call of Duty.

the longer the blowjob(in minutes), the larger the killstreak
if she bites during it then "she sent the dogs"
if the guy ejaculates on her then "he used the chopper gunner"
B: "dude mike got a killstreak last night from jenny"
A: "how big was it?"
B: "i think it was a 15 killstreak!"
A: "did she send the dogs or did use the chopper gunner?"
B: "both dude. both."
A: "wow"
by JordanMoeJeff=Stud December 17, 2010
1. someone who does not play the objective in any Call Of Duty online game, and is only trying to earn killstreak rewards

2. a douche bag who doesnt play to win and only plays to give themself high killstreak rewards such as Chopper Gunner's and AC130's

3. a camper that doesnt care about their team
Dude 1: That guy is not playing the objective hes just camping and building up his streak

Dude 2: I know he is such a killstreak whore!
by DJ WHEELZZ July 10, 2010
Late rapper xxxtentacion had a song named, ''RIP ROACH''. One of the lyrics from the song says, "xxx on a killstreak''.
Yo, had you heard this song called RIP ROACH? It's fire vro, "xxx on a killstreak''.
Bro that sounds neat im finna listen to it ong.
by TRPLE4 January 24, 2021
A small youtuber who wants to make everyone laugh, has goals to reach on YouTube. Awesome person to collab with.
by Bishpanda October 31, 2016
Often a tittle given to someone who farts or farted three or more times in single a road trip.
Daniel hit me with the killstreak last time we hit the road.
by Ree_2161 May 30, 2019