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Term my grandmother used to refer to farts that have been both squashed and amplified by sitting in a leather reclinign chair during the release.
If it wasn't my grandmother, I would have told the supplier of the ass gas to drop dead in an effort to shut their asshole.
ass gas by Dead Menace August 7, 2009
person 1: what the fuck is that smell
person 2: shiit smells like ass gas
person3: gross
ass gas by tehnewmemes October 12, 2017
something pokemon will let you use as a nickname while "fart" is blocked
pokemon: would you like to nickname caught koffing?
you: yes
you: *types fart*
pokemon: you are not allowed to use that word
you: *types ass gas*
pokemon: ok, ass gas will be transfered to box 3

ass gas or grass

The most acceptable forms of payment for the favor of being given a ride to any destination. Roughly translates to: money, weed, or sex (oral sex is also acceptable). Gifts should be given promptly and without hesitation.
Brian: Well, here we are.

Girl: Aw, well thanks for the ride Brian-

*she begins to exit the car*

Brian: Hey- hey, hey! Not so fast, its ass gas or grass in this car, bitch. And it seems I've got a full tank and plenty of the fine erb, so uhhh... *nods head, indicating genitals*
ass gas or grass by BES the best September 4, 2008

ass gas or grass

If someone is asking you for a ride and you don´t feel the need to give it away for nothing, it´s a good opportunity to ask for "ass, gas or grass".

Meaning you wish to take advantage of the situation by getting a good fuck, some bucks for the gas you´re gonna need or at least something to get a buzz from.

(Maybe one of you might describe it better, as I´m by no means a native speaker!)
"You wanna go to Mexico with me? Take a ride? Well, what´s your currency...
ass gas or grass ?
Nobody rides for free, you know?!"
ass gas or grass by Fichtelschwein February 5, 2010

Ass Gas Blasting

A strong rocket like directional fart. Specifically directed at a crowd of people or in most cases a singular person. It may be supersonic and warp the space and time around itself. Due to the supersonic nature, visuals could be witnessed. Smell is guaranteed to kill a small rat but ceiling is unknown. You achieve this feat by drinking an incredibly large amount of sparkling water/soda, Taco Bell, and desire. Point. Aim. Shoot. Bang.
*3 friends hanging out*

Josh: Hey man, did you drop something?

John: No, watch this. I have to get the angle just right. I'm about to give Andy a good ole Ass Gas Blasting.

*ass gas blasting ensues*

Andy: Dude what the hell? My throat is closi-clo-cl-

*Andy goes unconcious*

Josh: Good Ass Gas Blasting dude!

John: Thanks!
Ass Gas Blasting by Degenerat April 16, 2026