The saying states that if a man is providing a ride or transportation for a girl. She must have common courtesy to supply the man with one of 3 things in return. 1. Grass (Marijuana) 2.Gas (Fuel for his vehicle 3. Ass (Intercourse). If she doesn't give him 1 or more of these 3 things then she would not be able to get a ride. Hence the term nobody rides for free. This became a slang in the mid 1970's when hitchikers would hitch rides down interstate routes. This term applys to homosexual males who want the same 3 options given to a man passanger. Typically a girl would pay with ass due to the fact she doesn't have funds hence why she is hitch hiking for a ride. So her ass is the only asset she can use to get transportation from point A to point B. This still happens today. In fact more then ever. So if you see a girl hitch hiking be sure to apply the gas, ass or grass tactic in your adventures. You may score gas for your ride, some grass to smoke. or usually the most appreciated of the 3. the good old sacred anal sex. So enjoy and proceed on.
Ashley- Hey wait!!

John- Hey whats wrong?
Ashley- I am stranded here in the interstate. I have to walk 105 miles till I get home. my car broke.

John- oh, im so sorry. Do you want a ride?

Ashley- Oh my gosh yes. please. your a life saver

John- But of course Gas, Ass or Grass. Nobody rides for free.

Ashley- Oh I don't have Money on me and I don't smoke.

John- well i don't know then. i guess i cant help

Ashley- No wait, ill give you the ass. i don't want to walk please.

John- Get in

Ashley proceeds to fuck john in the back of his chevy Tahoe until he cums in her mouth and then this will pay for fare of the ride he is providing her. Pretty curel tactic but it is applied often. especially in low population exposed areas without a lot of foot traffic.
by GM123 November 14, 2014
mugGet the Gas, Ass or Grass. Nobody rides for free.mug.
The expression of which your ass is grass comes from if you hear this you better get out of town because you're likely to get shot hung or end up with your head on a stick
Idiot1: oh dude I am so dead
Idiot2: yep that's quite a bit of a fender bender there
- idiot1 gets home-
Idiot1's roommate: heard you my moped just want you to know ass is grass and I'm the lawn mower
Idiot1:* shit himself*

And that my assholes is how the term:
Your ass is grass and I'm the lawn mower
Turned into: your ass is grass
by ಠ_ರೃ 1997 June 26, 2018
mugGet the your ass is grass and i'm the lawn mowermug.

sit ya ass on the grass

to have partied to hard to the point where you are to sick to continue the party. To sit your ass on the grass refers to having bit off more than you can handle while partying, and being unable to party anymore.
Ex. 1 - Man I had to sit ya ass on the grass the other night you went to hard on the alcohol.

Ex. 2 - I sat your homeboy on the grass the other night, he thought he was tough enough to hang with the big dogs.
by rollicasspeindeks October 2, 2011
mugGet the sit ya ass on the grassmug.
Doing none to very little work, and the work you’re doing is pointless.

Working very little but looking busy.
Dude, how’s your job going?

Not bad, just been dragging ass and sweeping grass.
by Jack_Mehoff_69 August 17, 2021
mugGet the Dragging Ass and Sweeping Grassmug.
A term often used by skateboarders to assert dominance.

This means you are dedicated to the game.

This term will get you even more mad pussy.
Joe: 'Yo I can't skate today I have school till' five.'
Bram: 'No bro, you gotta skate fast, eat ass, smoke grass, skip class.'
by Bramdeman!! December 10, 2019
mugGet the Skate fast, eat ass, smoke grass, skip classmug.

ass is grass

In the Bible, the phrase ''all flesh is grass'' occurs. Meaning that life is fleeting.

Somebody rang the changes on it, and so, ''your ass is grass'' comes about. A gaudy threat, or a prophesy of coming misfortune.
"If you snitch on me, your ass is grass"

"The platoon sergeant says Smith's ass is grass when the CO finds out"
by Mors Profundis December 3, 2016
mugGet the ass is grassmug.

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