So Fresh, So Clean Stankonia Outkast

cooler than Freddie Jackson sippin' a milkshake in a snowstorm

Saying that a very cool guy, even though he's drinking a cool beverage in a cool environment, is not even as cool as himself. Equation: Freddie Jackson + Milkshake + Snowstorm = Coolness Amount (< Big Boi's Coolness Amount).
gurper707