Definitions by JFitz

Frat water 

Cheap beer. Preferably Keystone, Natty, or the Beast. Acceptable substitutes include Coors or Bud Light.

"Put down your cranberry vodka and drink some frat water like a real man."

"Be a gentleman and give her some frat water before you take down"

Frat water by JFitz October 31, 2006