One who has developed such a tolerance to the effects of a grav, that said individual is able to take more gravs than anyone else; One who can take multiple gravs and still function and/or be the life of the party.
Did you see how many gravs he just took? He is definitely the Grav Master!
by the Master himself July 23, 2009
The Urban Dictionary Mug
One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.Buy the mug