old-fashioned An alcoholic drink, especially liquor or sparkling wine. A reference to the tendency of alcohol to cause giddiness or merriment in the drinker. He's not known for making rational decisions when he gets that laughing soup into him. The revelers summoned the waiter to bring them another bottle of laughing soup.
laughing soupand laughing water
n. liquor; champagne. This laughing water tickles my nose. Laughing soup flowed like fury at the reception.