hero loop: aerial maneuver performed by a valiant climber.

Related:

• bashie: climber who pendulums out of control. -- "An Alphabet for Mountaineers",
  Climbing...
• bong: sound made by a climber at the conclusion of a fall.
  "An Alphabet for Mountaineers", Climbing...
• flake: weird, erratic climber. -- "An Alphabet for Mountaineers",
  Climbing...
• hip belay: belay by an unsquare climber. -- "An Alphabet for Mountaineers",
  Climbing...
• runner: very fast climber. -- "An Alphabet for Mountaineers",
  Climbing...
• cornice: snow waiting for a climber to step on it before becoming an avalanche.
  "An Alphabet for Mountaineers", Climbing...
• front points: forwardmost extremities of a female climber on a chilly morning.
  "An Alphabet for Mountaineers", Climbing...
• goose down: a way to get a slow climber to descend quickly.
  "An Alphabet for Mountaineers", Climbing...
• layback: what a climber looks forward to at the end of a day.
  "An Alphabet for Mountaineers", Climbing...