Knifage 

A word you shall see quite often if you play Battlefield 1942 (Desert Combat mod). Used by the MaYoR clan. Plenty of times each game you'll see some noob running & gunning, only for his life to end at the hand's of a MaYoR & his trusty K-Bar Knife.

MaYoRofSMACK (K-Bar Knife) SomeRandomNoob.

MaYoRofSMACK:: Eat shit & die noob. Knifage!!!

Knifage by MaYoRofSMACK July 30, 2008

knifeage 

Generally in CS, a word used by El_mon3ypot but spreading around fast, knifeage or knifage is when you use the knife to kill somebody in CS by either a backstab or a head on fight...

1. rofl knifeage n00b.
2. wtf knifeage CT got pwnd!

knifeage by El_mon3ypot July 10, 2005

knifale 

A knife being used for anal

I’m gonna knifale you tonight.

knifale by Oh.Johnny February 9, 2021