IDIOMS

smoke pole

(slang) A firearm.

Example: The central, vertical pole of a teepee.
1989, Reginald Laubin, Gladys Laubin, Stanley Vestal, The Indian tipi: its history, construction, and use
  A little cross stick is tied to the smoke pole of the four-pole tipi where it is secured to the flap to prevent its going through too far. The cover for a four-pole tipi is cut quite differently from that for a three-pole one.
2000, Julian Harris Salomon, The Book of Indian Crafts and Indian Lore
  To keep the end of the smoke pole from going too far through the hole, a small cross-piece should be lashed to it about two feet from the end.
2015, Barend Van Kimball, Tuck and Nip: A Novel, ISBN 1611392675:
  Hanging on the center smoke pole high above the small smoldering fire hung two beadeye dolls.
A ridgepole.
1962, Ørnulv Vorren & ‎Ernst Mauritz Manker, Lapp Life and Customs: A Survey, page 44:
  These rafters are connected at the top by a round bar, the smoke pole, which also serves to take the hooks on which the cooking pots are suspended.
1979, Philip Drew, Tensile architecture, page 16:
  The support structure of the arched-post tent consists of two inclined arches joined by three transverse poles, a ridge or smoke-pole at the top and two other poles at about half the height.
1994, Wesley Ellis, Lone Star 144/sierra, ISBN 1101169435:
  Drawing a deep, steadying breath, Barefoot smelled the machine oil of the well-kept smoke pole. His very first shot put an immediate stop to Swann's barraging of Jessie.
2009, Michael Pitzer, Native Re-Enacting Made Easy, ISBN 0981997538, page 5:
  When first introduced to the flintlock, Steve and I worked at a State Prison and he made me promise to never utter the words “smoke pole” at work for fear of people getting the wrong idea about us.
2013, Robert F. (Bob) Turpin -, Gun Smoke Justice, ISBN 146894004X:
  â€œYou reach for that smoke pole, law dog, and you're a dead man.”
1885, Gleanings in bee culture Volume 13
A long stick or pole with a burning tip, used to repel insects.
  I separate my swarms with my smoke-pole, holding It near the swarm already settled, which will prevent others from settling.
1890, American Bee Journal - Volume 26, page 22:
  A smoke-pole is quite handy to keep two or more swarms from settling together.
1998, John S. Marsh & ‎Bruce W. Hodgins, Changing Parks, ISBN 1554881307, page 126-127:
  Another commented on such useful bush-lore as lighting a fire with a shoe-lace, stick, and dry birch bark, and using an “Indian smoke pole” to keep bugs away.