1/4 oz. Gin - (more) 1/4 oz. Rum - (more) 1/4 oz. Tequila - (more) 1/4 oz. Triple Sec - (more) 1/4 oz. Vodka - (more) Beer - (more) Stout - (more)
Mix the liquors in equal amounts in a beer mug. Fill up the rest of the space with half beer and half stout.