Definitions by The 42nd Eg0

Gurb 

A gravity bong or a hit from a gravity bong also known as a gb, grav, etc.

Person 1: I just took a gurb of some dank ass headies

Person 2: Hell yea I bet that was some crucial shit.

Ex. 2

Person 1: I prefer joints instead of gbs.

Person 2: Can you not handle the power of the gurb?

Gurb by The 42nd Eg0 June 4, 2010