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Drug paraphernalia used to smoke marijuana. To make it, one must take a regular military gas mask, but attach a bowl piece to one side. This allows whoever is wearing the gas mask to inhale marijuana, then exhale the smoke without blowing the pot out of the bowl piece. Another effect is mask creates a hotbox.
Yo, Trevor just got this awesome gas mask. You should come hit it.
by Shawn Maglicic March 15, 2006
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2
A face mask designed to block all chemicals and dust from getting into your lungs and killing you.
WW1, Germans shoot some chlorine gas mortars, British people put on their gas masks. some dude lost his Gas-mask and dies of rotting lung.
by Gas-mask child December 06, 2010
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3
when someone farts into their hand, and smuthers it on to you nose.
brother: farts in his hand
brother: comes toward you and gives you the gas mask.
you: *BARF!*

its pretty self explanitory.
by yo'layla June 26, 2007
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5
When you put your balls into your lovers, or your one night stands, eye sockets and navigate your asshole to their mouth. Then release a big ol' stanky bubbly fart into their mouth.
Rhonda was fast asleep after a long rough fun night of some hot sex. Leroy navigated his rear end to Rhondas mouth. Giving her the best Gasmask in world history. Then Rhonda puked all over Leroys asshole.
by Stanky Rhonda June 25, 2010
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6
after a long hard sporting event, the athlete takes the cup out of his jock strap, and procedes to shove the cup over a fellow teamates nose and mouth.
fuck that asshole, i hated when rich gave me that gas mask last summer
by Jermaine Rutt July 02, 2006
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7
When you cup your hand around a fart and enclose the hand around your friend's, girlfriend's, or any number of people's nose and mouth.
Yo bro, you just got gas masked, and it smells terrible.

Aww man, I just got gas masked.
by Greg April 24, 2004
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