1 definition by Random00

Top Definition
GB
Taking a Gravity Bong hit or using a Gravity Bong.
"Yo, wanna come over and take some GB's?"

"I took like 1 GB out of that 2 liter and I was baked!"

"Lets go take some GB's"
by Random00 July 13, 2006

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