A playboating maneuver where the kayaker allows the bow of his boat to be sucked into a hole, standing the kayak up on end, until the buoyancy of the boat sends it shooting back up in the air.
A maneuver in which a boat stands vertically on its end in a hole or hydraulic. Kayakers do it for fun, but rafters try to avoid it.
a play maneuver enacted by nosing the boat's bow down and deep and the stern up, which results in the boat popping vertically upward. Good fun