MMR Assassin 

A radiant player who plays like a headless chicken, runs around staring at the floor and proceeds to bottom frag on your team. However, when they are on the opposite team, they are the rebirth of S1mple and are god tier.

Guy 1: This guy on our team is so bad, he's bottom frag Reyna in Radiant.

Next Game

Guy 1: Bro this is the same bottom frag Reyna from last game hitting all his shots, all these MMR Assassins are making me derank

MMR Assassin by burhhrhrhr January 25, 2021

Vatican Assassin Warlock 

Charlie Sheen.

Greg: "Have you seen Charlie Sheen today?"

Paul: "Yeah, earlier. He should be at work right now."

Greg: "What does he do for a living besides act?"

Paul: "You don't know? He's a Vatican Assassin Warlock"

Greg: "Oh. I was unaware."

Paul: "WINNING!"

Vatican Assassin Warlock by KieferKhaos March 29, 2011

Albanian Assassin 

Someone who is trained in typically unconventional, brutal and outrageous attempts on the life of another; a lethal machine secretly employed in espionage, manipulation and sex games with hot women; a living nightmare.

The negotiations did not go well at all. Because all talks have broken down, they have no other option but to send the Albanian Assassin after their ass and finish the deal.

Albanian Assassin by THE Albanian Assassin April 2, 2013

ninja assassin 

(v.) to excessively and wildly dismember a person's body using Asian weaponry (gallons of blood are typically lost from the victim's body when being ninja assassined)

Witness 1: Dude you completely ninja assassined that guy!
Assassin: Yeah I'm going cut his limbs off too.
Witness 2: Holy shit! There's blood everywhere!

ninja assassin by Kushikime December 1, 2009

Nasal Assassin 

A person who's voice is so nasal that - in rare circumstances - can cause death.

Man #1: *Incomprehensible nasal ramblings*

Man #2: Whimper...*THUD*

Concerned Onlooker: That poor man has just been slaughtered by a nasal assassin!

Nasal Assassin by BringerOfWordsdom September 20, 2009

thread assassin 

A person who kills every thread they post in, normally in two posts, the first makes the mood go OMFG, then the final post comes.

Damn, my thread was going well then that fooking thread assassin came and now I don't think there's a living thread on here!

thread assassin by Threadkilla January 25, 2015

Friendly assassin 

A npc from the game rune factory 4, who helps the protagonist of the game in multiple ways and even gives them a legendary dagger.

"Friendly assassin was my favorite npc from rune factory 4!"

Friendly assassin by Tittyspanker47 November 3, 2016