A really cool weapon. It appears in many video games, especially in FPS games.
My plasma rifle is out of ammo. Dammit.

John got his plasma rifle and blew up the wall.
by JohnStalvern June 15, 2010
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The fucking gayest gun in the Halo series.
Shoots pussy ass green blobs.
99% percent of people who use the plasma pistol are noobs, especially when using noob combo, or dual wielding it with a SMG or Spiker (Halo 3).
by KoolKarlen July 20, 2009
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a state in which one is so poor that it is necessary to sell one’s plasma for cash.

“Before I got this job I was plasma poor.”
by jenniliz June 20, 2008
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highly entertaining grenade weapon from the game HALO which sticks to other players and vehicles, best used in combination with active camo to sneak up on people and stick the grenade to their face (esp snipers) and run off laughing (usually shouting "bye bye" as you do)
"what's that blue thing on my hea- awww son of a..." *explodes*
by Shadow Sword March 22, 2004
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Chavs who own plasma tvs.

chav chavs tv
"Oi, Daryl's got a new plasma telly."
"Oh what a plasma chav" *face palm*
by bobbybrownisdaone May 28, 2012
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A covenant gun in the popular video game Halo 2. It is weak when shot normally, but can lower shields quite effectively when it is charged. You can charge it by holding down the trigger button and releasing it once you find your target. The plasma the gun shoots travels slowly, but locks onto the enemy. The gun is commonly used with the battle rifle as the second weapon. This creates the noob combo. One would shoot a charged plasma pistol and then quickly switch to the battle rifle and shoot once for a kill.
The gamer used his plasma pistol effectively in his noob combo.
by halo2madgamer May 7, 2007
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KDE Plasma is a buggy and unpolished Linux desktop environment where the developers fixed a bug but then introduced a load of new bugs, making it the buggiest Linux desktop environment ever!!!
GNOME is way better than the buggy KDE Plasma.
by xfce fanboy June 27, 2022
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