A real-life special attack achieved by reaching down the back of your pants as you fart to catch the gas in your hands, and then thrusting your palms forward, sending a surge of invisibledestructive spirit energy flying towards your opponent.
I knocked my roommate unconscious by focusing my chi through my colon and into my cupped hands, and then into his face accompanied by a cry of "Hadookie!"
Secret identity shared by multiple people. In contrast to traditional secret hero identities such as superman, a hapoo is a character that can represent multiple people who are working under a single pseudonym towards the same goal.
A letter of protest towards school abuses was posted on the principle's door yesterday. The letter was signed by Hapoo.