knife fag

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

mustard on a knife

When u shit on ur cat

Shaquille o’Neal: oh damn I done shitted on my cat again.
Kobe Bryant (from heaven rip homie): damn that be the mustard on a knife my dude

Knife nipples

When a male/female breast are super perky

Andrea has the sharpest knife nipples I have ever seen.

nipple knife

A nipple knife is when a females nipple gets really hard and could be used to cut open a potato or any other hard object a knife can handle.

Last night my girl friend had her nipple knife out cutting the potatoes and slinging them into the hot boiling water to turn them into mashed potatoes.

dutch knife

The Dutch Knife is the weapon of choice for stabbing your project manager from a seated position, which is accomplished by having freakishly long Dutch arms. Usually following a disparaging remark made about your overall performance as a web developer.

Stan kept mocking Larry about how de never met his Sprint Objectives, so LArry reach out and shanked him with his Dutch Knife.

knife juggle

Quickly and repeatedly insulting someone or multiple people.

Liam had a nice knife juggle last night, and called out Henry and Katie for all their shit.

Subtle Knife

The Subtle Knife is a book written by Phillip Pullman and is the second installment in the series his Dark Materials.
In the series the Subtle Knife is a knife used to cut "windows" or "doors" to other worlds
the Subtle Knife is also known by the Greek name Æsahættr which translates into English as "God Destroyer" or Teleutaia makhaira which translates to "the last knife"
No known material was able to resist the knife, although it was breakable, should the wielder attempt to use it whilst thinking about a person they loved. It was the belief of certain individuals that this was because the knife was incapable of cutting through love.

He used the Subtle Knife to cut through worlds.