The act of hitting an object with the snowboard (e g A tail bonk could be hitting a picnic table with the tail of the snowboard)
To hit something (especially a tree) with ones snowboard, especially while in the air
A descriptive term identifying the point at which liver and muscle glycogen are depleted and energy production is dependent on fatty acid metabolism the bonk usually develops 1 to 2 hours into a ride and is a particular problem if "on the bike" carbohydrate supplements are not used to extend internal muscle glycogen stores It's onset can be delayed by eating carbohydrates Also known as the "knock" in England or "hitting the wall" in running
A state of exhaustion brought on by lack of food during a long stretch of riding