|1.||gas, ass, or grass|
What some people consider the rules of hitchhiking, where the hitchhiker, upon pickup or throughout the trip, must either provide: 1)Gas for the car, 2)Some type of sexual satisfaction, or 3)Some type of drug, usually marijuana.
Hitchhiker: Yo dude, can i get a ride?
Dude: Gas, ass, or grass.
Hitchhiker: *pulls out baggie* Grass.
|2.||gas, ass, or grass|
When someone asks you to drive them somewhere, they can pay with gas, ass, or grass. Gas(money for gas), ass(a sexual favor), grass(marjuana).
Ling Ling: "I just drove you all the way to Africa. You know the rules... gas, grass, or ass."(gas, ass, or grass)