a quick gun or firearm with a large bore capable of holding many balls and designed to do execution without precise aim
- a quick musket of large bore with a flared muzzle
- a brief gun or firearm, with a big bore, with the capacity of keeping some balls, and intended to do execution without specific aim.
- A stupid, blundering fellow.
1650s, from Dutch donderbus, from donder "thunder" (Middle Dutch doner, donder, from Proto-Germanic *thunaraz; see thunder (letter.)) + coach "gun" (originally "box, tube"); changed by resemblance to blunder.
(letter.) A quick weapon or firearm, with a sizable bore, with the capacity of keeping numerous balls, and designed to do execution without exact aim.
- (letter.) A stupid, blundering fellow.