Guns don't kill people, People kill people. 

It means that it takes people to kill people with that gun. A gun can't just hop out the holster and automatically shoot it's victim.

Extended Version of "ROMEO MUST DIE"

DMX: Guns don't kill people, People kill people.

Po: You stupid as fuck, nigga.

DMX: Shut the fuck up Chinko before I chunk yo ass up, bitch. This gun can't jump out my God Damn arms and shoot your bitch ass up.

Po and his Crew: Oh.

DMX: (Sucks Teeth and Shakes Head) Stupid ass niggas.

Guns don't kill people, People kill people. by Jyuzayeguuwah J. Summers November 20, 2009

Drill-and-Kill Math 

A teaching format that effectively prepares students to the test: worked examples followed by lots of practice on similar questions—algorithmic mastery over conceptual fluency.

Average teachers just love drill-and-kill math, because it gives oft-low self-esteem kids the illusion that they've mastered the concepts—teachers are happy, students gain self-confidence, and parents are pleased with the decent grades.

Drill-and-Kill Math by MathPlus April 18, 2017

Gnar Kill 

Coming from the term Gnarly meaning awesome, great or rad. Gnar Kill is something or someone who ruins something gnarly.

"This rain is a gnar kill."

"Jordan is such a gnar kill, he can't keep up."

Gnar Kill by she.rides.pow April 28, 2007

blowin' kill 

smoking large amounts of weed

You wanna go blow some kill?

blowin' kill by robdog073191 May 4, 2005

dub kill 

A double kill in only Halo 3.

Alex had a dub kill on Saxon and Daniel.

dub kill by west coast st-Evo October 28, 2007

face kill 

a term used in volleyball when the ball is spiked into the opponent's face in a humiliating fashion. also known as a "facial".

Oh man! Asia just had a face kill! That other girl is gonna have a black eye!

face kill by mbeaver3 September 15, 2010

Buzz kill 

Someone that eliminates potential of having fun. Their rationale never includes the enjoyment of others.

Me: Let's go out to lunch.
Guillermo Schnell: I had McDonalds, so I'll pass and eat at my desk.
Me: You're such a buzz kill!

Me: Let's go to happy hour!
Guillermo Schnell: I spent too much last weekend on Apple products. I'm not drinking with you guys.

Buzz kill by cantbeblank354 October 31, 2013