1. Hannes (Verb) - To rapidly and efficiently consume large amounts of spirits over an extended period of time in keeping with Scandinavian tradition.
2. Hannes (Noun) - A man who can Hannes consistently for days at a time without suffering from fatigue or death, often has military and medical training to help with endurance. Such a man is impossible to kill with chemical or biochemical weapons of any kind.
Person A: "He arrived at my house and managed to Hannes for the whole weekend!"