ninja kill 

Part of a stealth game where a group of individuals dress up as ninjas and must "kill" as many people as they can in one night-(i.e. midnight to sun rise). A "kill" is any stealthily executed pretend slicing of the neck or stabbing of a vital organ usually with a permanent marker of your favorite color to basically "claim" that kill. After marking and claiming his victim the ninja will whisper into the victims ear "NINJA KILL". This will cause any multiply tagged victim to despise the mere spelling of these words, which in turn causes the ninja extreme satisfaction especially after realizing just how many times you marked up this kids neck last night. {extremely fun in a dorm room, fraternity house, or if you've got the ninja balls a sorority house}{drunken, or stoned victims who won't know what to do or for that matter remember are highly recomended targets.}

Holy crap zach got ninja killed eight times last night by red and six by black, that means another ninja kill for fire ninja.

ninja kill by Da' Godfather November 9, 2006

Killing a Ninja 

A slang term for Masturabtion.

Jon: "Why were you in the bathroom so long?"

Dean: "Sorry, I was killing a ninja."

Killing a Ninja by Pygmie September 15, 2006

Nina the killer 

Nina the killer is a killer and is a girl version of Jeff the killer and the both say "GO TO SLEEP" before killing there victim

Nina the killer: *is in your room*
y/n: *is sleeping*
Nina the killer: GO TO SLEEP *kills you*

Nina the killer by creepy thang June 15, 2018

Nina The Killer 

Your best friend who will do anything to steal your fugly e-boy boyfriend by being the creepypasta Nina the Killer to match him. She will go on to just have ugly babies later in life who will probably be just as much of a creepypasta loving loser as she once was, probably even bullying those who don’t enjoy her loser scene phases

“She’s A Nina The Killer”
“A fake friend don’t trust her”

Nina The Killer by RandyWarren September 11, 2025