usually refering to keystone light...
Introduced in 1989, Keystone Light is a light-bodied, crisp, smooth and drinkable beer. Keystone Light is available nationwide in cans, bottles and kegs. Keystone Light is 4.2 percent alcohol by volume and has 104 calories per 12-ounce serving.
2005 Great American Beer Festival bronze medalist, American-Style Light Lager
2003 North American Beer Awards bronze medalist, American Light Lager
1991 Great American Beer Festival gold medalist, American Light Lager
1991 Great American Beer Festival bronze medalist, American Lager
(coors brewing company web site)
Mike: i need 4 more bucks to pick up a case of keystone
Ike: ok here's 4, i get half though