1 definition by macpj

Top Definition
Keystone beer is a product of the Coors Brewing Company in Golden, Colorado. It was first introduced in Chico, California in September of 1989. Due to its relatively low price, it is popular among college-aged individuals. Keystone can be found in can, keg, and occasionally bottled form.
Am I drinking a can of piss? Oh, it's just Keystone Light.
by macpj March 27, 2008

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