1. A firearm used to kill various critters. Uses bird shot, buck shot, or a slug. Used occasionally by the military.Decends from the musket-like blunderbuss(it had a flared out muzzle to increase spray.
2. The second best seat in a car. Directly beside the driver.
1. The hunter used his twelve guage shotgun to kill a duck.
2. Bob said "I call shotgun!" "Bull crap!" shouted Paul.