chopper

1. A Thompson submachine gun.
2. The rotating part of a mechanical siren
3. A helicopter

1. "Hand me that chopper" (from movie "O Brother, Where Art Thou?"
2. The sirens chopper is responsible for producing sound. It "chops" the air stream.
3. The chopper should be here any minute!

kar

Short for "Karabiner," (the K98) a rifle made by mauser and used by the german army in the world wars. "Kar" is mostly used among Day of Defeat players when referring to that weapon.

I've been owned by the kar again!

ball

1. A bullet consisting of a full metal jacket around a lead core. 2. A spherical lead projectile fired from muzzle-loading weapons.

1. Most of the WWII surplus ammo you will find is ball ammo.
2. Load the powder, the patch, and then the ball.

bias

A negative voltage applied to the grid of a vacuum tube in order to assist the alteration of the flow of electrons from the cathode to the plate.

the bias used for the 201A tube is 4.5 volts when the plate is at 90 volts.

awp

A sniper rifle firing the .338 Lapua Magnum round (not .50 caliber, Cherokee Jack, you idiot). The most powerful weapon in the popular game, Counter Strike, which is a favorite of infantile morons and people who would thank themselves for graduating to Day of Defeat

alt codes

A series of numbers on the numpad that when typed while holding the ALT-key will produce a symbol not normally found on the keyboard.

Some examples of alt codes:
Alt+0215 = ×
Alt+0153 = ™
Alt+789 = §
Alt+0134 = †

fork

A tool used for the conveyence of pie from its resting surface to one's pie hole.

You could hardly see the guy's fork as he shoveled that pie!