Refers to the moment in which you realize that a specific alcoholic beverage, most likely beer, is insanely pleasing thus you must continue to drink. However Beertastic can be used simply to describe a moment in which you must drink, have drank, or when you simply want to display pleasure with a certain action non-alcoholic related!
Holy shit, that chick is beertastic.

OMG that was the most beertastic moment I have ever had at a bar!
by Guidalz October 20, 2007
Get the mug
Get a Beertastic mug for your boyfriend José.