Fireteam

Military term, a squad is usually devided into fireteams (usually with 4 men each) and a Squad leader to command them.

Here is an example of a 11-man squad (in this example, Fireteam Green is a sharpshooter team):

-Squad lead

Fireteam Red
-Red lead
-Rifleman one
-Rifleman two
-Rifleman three

Fireteam Blue
-Blue lead
-Rifleman four
-Rifleman five
-Rifleman six

Fireteam Green
-Spotter and Green lead
-Advanced Marksman

Please note that certain terms etc. may differ between units. Eg, instead of Red, Blue etc. the fireteams may be designated Alpha, Bravo etc.
Squad lead-"Red, move two-by-two up to that berm, when you signal your clear, Fireteam Blue will move up on the left"

Red lead-"Fuckin' A sir, Fireteam, prepare to move up, Riflemen one and three, you move first, two by two, Rifleman two, on me"
by MarineJulio June 07, 2004
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donkey thump

When you donkeythump someone, you fuck them in the ass and when you're about to blow your load you whack them on the back of the head so they clench. I have experience with this myself.
I donkeythump, therefore I am, although have been donkeythumped myself several times
by MarineJulio May 05, 2004
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feh

A yiddish word - expression of distaste or disgust, or in slang term general uninterest.
"You're starting to be a real mensch"
"I like the SA80"
"SA80! feh, you fucking moron, you wanna die with a lame weapon in your hands"
by MarineJulio April 09, 2005
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FNG

Military term, 'Fucking New Guy' usually someone just out of training or just transfered into the unit/AO, who either hasn't proved his worth or doesn't know how to operate properly due to lack of experiance.
"Damnit, nearly everyone here is an FNG, we'll be wiped out on the next op"
by MarineJulio June 07, 2004
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PLT

Shortened military term for platoon
Letter from Leiutenant Deakan to all members of 3rd PLT:

(letter contents goes here)
by MarineJulio April 06, 2005
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SWAT

Special Weapons And Tactics

SWAT teams are situated in large cities, but some organisations (like the FBI) have similer teams.

SWAT is somewhat a police special forces, handling situations too dangerous for normal police officers. Such as multiple armed suspects, barricaded armed suspects, hostage situations, among others.

Side note: although the cops in america seem crooked, the police in england are polite, friendly, and helpful.
"Talk, we need SWAT in here, multiple suspects armed with automatic weapons on the corner of 12th and main"

"10-1 but acknowledged"
by MarineJulio April 07, 2005
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AP

As a military abriviation, this is short for Armour Piercing. As in an Armour Piercing round (bullet) or rocket.

An AP round is designed to penetrate through protctive armour, most AP rounds can even penetrate level 3A protective armour (but may have trouble with gunshields) AP rounds are nicknamed "greenies" by the guys in my PLT because of the dab of green paint on the tip to indicate it's an AP round.

An AP rocket (for example, an AP FFAR) is designed to pentrate the armour of heavy armoured vehicles (tanks) as a sole purpose.
"We've got multiple suspects in paramilitary gear, full body armour, so everyone load up with AP rounds"
by MarineJulio April 06, 2005
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