2. To perform dangerous, high-speed, or otherwise extreme activities while listening to free-form jazz. Result: absolute euphoria.
2: Would you care to go jazz-boating this weekend? It's a sport where high-society freeform jazz meets Jackass, in which one swings from a pole on a speeding boat by a rope attached to the ankle while listening to Ornette Coleman through Sony MDR-XB700 headphones.