butt bag

Noun

butt bag (plural butt bags)

1. (Canada, US, informal) A fanny pack.
   • Each carried a shielded crimson dive light, invisible from the surface, which gave objects a gray, pallid distortion. They were also equipped with a knife strapped to one calf, a small P-6 pistol holstered on the other, a compact butt bag of tools, and a short bang stick armed with a twelve-gauge...1990, Charles Ryan, The capricorn quadrant, →ISBN, page 15
   • The social worker obliged him this, after which Phael abruptly asked for the return of his butt bag and left the room.1994, Thomas L. Kuhlman, Psychology on the Streets: Mental Health Practice with Homeless Persons, →ISBN
2. A seat attached to ropes on which a climber can sit while belaying.
   • An alpine hammer, which has seen better days but never ice, slots into his holster. A wire brush, a nut pick, jumars and etriers all clip onto his harness and his butt bag (belay seat) goes into his pocket.1986, New Zealand Alpine Journal - Volume 39, page 113
   • Some continuously steep routes with numerous hanging belays necessitate a belay seat or butt bag. A butt bag with three points of suspension is more comfortable than a two-point bag.1999, Mark Twight, James Martin, Extreme Alpinism: Climbing Light, High, and Fast, →ISBN