bear banger

plural bear bangers

1. A firearm cartridge designed to produce a loud bang for defence against bears.

   Some wildlife officers are experimenting with aggressive dogs and guns that shoot noisy shells called bear bangers.

   2011, Jake Macdonald, In Bear Country: Adventures among North America's Largest Predators

   2 more examples

   Consider bear bangers. They are even lighter and smaller than bear spray. The bear banger is a tube the size of a small pen which is hand held.

   1997, Glen Stedham, Bush Basics: A Common Sense Guide to Backwoods Adventure

   And even when a bear is scared by the sound of a bear banger, there is little control over the direction in which it will run, particularly if you drop the charge behind or above the bear instead of in front of it— both are easy to do.

   2004, Mike Nash, Exploring Prince George: A Guide to North Central B. C. Outdoors