1 definition by TFree

1. A used 1-liter bottle cut in half to be used as a drinking instrument. Primarily to be used in consuming alchohlic beverages.
1. Fletch: Hey, would you guys mind if I poured some of my soda into a glass?

Tony: No can do man, dishwasher's broken, gunna have to build yourself a holy grail.
by TFree December 27, 2010
Get the Holy grail mug.