Knife

When you do anal with a girl and your dick is semi-flaccid.

Kyle: Dude theres spooning, forking, but theres no such thing as knifing!

Andrew: Bro i just knifed your mom last weekend!

knife

n. pl. knives (nvz)
A cutting instrument consisting of a sharp blade attached to a handle.
A cutting edge; a blade.

v. knifed, knif·ing, knifes
v. tr.
To use a knife on, especially to stab; wound with a knife.
Informal. To betray or attempt to defeat by underhand means.

I'm gonna knife your brother if he ever touches my ride again.

Knife

A knife is a sharp utensil that is used to eat and cut through things.

I had to use my knife to eat my steak.

Knife

1. A sharp object used to perform many tasks such as cutting one's wrists, performing a castration on your bitchy old neighbors, and shanking.

Tom shanked Bill with my knife, Bill castrated Mike with Tom's knife, and Mike slit his wrists via Mike's knife.

Knifed

Means you are being stabbed by a "Knife", really stupid word in real life, but in the game "Counter-Strike" it's totally O.K!

Phil: OMG! FUXXING N00B, KNIFED, PWNEED! :P :P :P
Max: That was just lucky, u came from behind! :P

knife

Just like shotgun or pistol, it refers to a seating in a car, this time referring to the back left window seat.

Knife, if it isn't already taken.

Knife

When you take a shit and it feels like someone is stabbing your asshole.

Jessica: " did you just take a shit in my bathroom?'

Jerrod: " yea bitch, and it was a damn knife, im gonna be hurtin' fo days!"