maghanap ng salita, tulad ng sex:
 
1.
A person who regularly brings a knife or other cutting tool to their school/workplace in a vain attempt to look cool. They will frequently play with the knife and use it on every inanimate object in sight.
See also lighter fag
Robert you are a knife fag. Put your Gerber away, you don't impress anyone.
ayon kay I got no pants ika-20 ng Abril, 2003
 
2.
Someone who constantly looks for an excuse to use their knife to accomplish trivial tasks that could easily be solved using you bare hands/teeth.
Dave: "Oh sweet a pack of skittles!"

*Pulls out knife from belt clip*

Joe: "Dude, you realize that doesn't require a knife, right?"

Dave: "Yea but then I won't look like a badass."

Joe: " You, my friend, are a knife fag."
ayon kay RaGeQuaKe ika-11 ng Setyembre, 2011
 
3.
A person who plays Modern Warfare 2 and runs around stabbing everyone with a knife
I would enjoy playing online much more if is wasn't for those knife fag's
ayon kay vatonyjmu1978 ika-03 ng Pebrero, 2010