Top definition
A bad ass explorer that descends down wet and dry canyons. They are often masochists, because the nature of the sport often entails difficult on and off trail hiking, scrambling, climbing, jumping, rappelling and swimming.
The canyoneer was caught in a hydraulic, so we threw him a rope and pulled his ass out.
by artista8 June 15, 2017
Happy St. Patties Day!