or G.A.S.

Get a Sack. A term referred to by stoners when weed is not present but wanted. Generally said before the session meeting has begun to let the person know about the lack of marijuana at the current location.

Go Ahead
Web speak to quickly let someone know to move on, and not to wait for you

to bust, rap, freestyle

Fire ass cocaine because it smells like gasoline

the action of leaving a situation, idea, or person.