\Blun"der*buss\, n. [Either fr. blunder + D. bus
tube, box, akin to G. b["u]chse box, gun, E. box; or
corrupted fr. D. donderbus (literally) thunder box, gun,
musket.]
1. A short gun or firearm, with a large bore, capable of
   holding a number of balls, and intended to do execution
   without exact aim.
2. A stupid, blundering fellow.