gun-knife 

v: to simutaneously stab and shoot someone

I gun-knifed him when he made fun of me

gun-knife by bobbybob09773498274 April 7, 2008

Cocoa Knife 

Nickname of the penis when entering the butt.

We had a few drinks and I fed her the cocoa knife.

Cocoa Knife by EF Tedenfred May 18, 2010

Persuasion Knife 

A device, or figure of speech, used with NPC* inaction (can be in real life and virtual) that is used to sway said NPC into giving unto one's way. Can be used in a threatening way, or friendly, mostly threating.

*Non Character Player (or not you)

Person 1:Today I had to use my Persuasion Knife to get my lazy brother to mow the lawn today

Person 2:"You pulled a knife on him?
Person 1:No, a rock. It works like a knife.

Persuasion Knife by SafetyPants April 26, 2011

to knife-jack 

( named after Jack the Ripper : to take hostage, kidnap, threaten, rape, or sodomize someone at knife point

Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation to get them into his hostel room before killing them.

to knife-jack by Uncle Dimma May 27, 2013

to knife-jack 

( named after Jack the Ripper : to take hostage, kidnap, threaten, rape, or sodomize someone at knife point

Nobody knows to this day if Jack the RIpper tried to knife-jack his victims or if he used more subtle forms of psychological manipulation on them before killing them.

to knife-jack by Uncle Dimma December 8, 2014

Dirty Knife 

A knife that is a murder weapon.

That dude over there has a dirty knife.

Dirty Knife by Lingling51 May 8, 2018

Butter-Knife 

The action of using your dick to wipe your cum on a part of your partners body, in a similar fashion to how you spread butter with a knife.

Chad: Yo, my bitch loves when I butter-knife her ass after I pull out.

Brad: Yo, she a freak, man!

Butter-Knife by ElevenOsix June 2, 2018