To take a persons head and pull it to your ass and fart on their face.
I just gas masked Anthony. LOL
by murder my sister May 13, 2011
Top Definition
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
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
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
A mask purposed for breathing in airborne chemicals. Various masks/series of masks include the GP-5, M85 and M40. Gas Masks were mostly used in WW1 and later became a popular military accessory as chemical warfare is rare.
The enemy threw some VX gas and every put their gas masks on in-time.
by Sensei Lenny August 13, 2015
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
When someone is eating out there girl and she wraps her legs around his face and queefs in it
Guy 1: When i was eating her out she gave me a nasty smelling gas mask

Guy 2: THATS NASTY!!!
by CJR1009 April 21, 2016
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