Fight Milk
Fight Milk is a fictional beverage made from crows, crow eggs, and crow feces. It is a powerful emetic and also causes diarrhea. In other descriptions, it is dairy-based and alcoholic.
The basic idea of fight milk is to harness the power of the crow. The slogan is, "Fight like a crow!"
The company that makes fight milk is a subsidiary of Frank's Fluids. The milk is featured in the television series It's Always Sunny in Philadelphia.