Whiskey

 is a food item found in Fallout 3 and Fallout: New Vegas. Drinking it increases strength one point, which allows you to temporarily carry 10 extra pounds of items. By drinking this you run the risk of addiction, curable by doctors for a fee. It also boosts your charisma by 1 point while lowering your intelligence by 1 point.

Whiskey has all the same effects as vodka as well as beer for half the price of and being also more commonly found in various locations around the Wasteland than the former, albeit quite the opposite in both aspects considering the latter.