blunderbuss

/ˈblʌndərˌbʌs/
noun
  1. A person who makes many careless mistakes or acts clumsily.
    • The new intern was a blunderbuss, accidentally deleting important files on his first day.
    • My uncle is such a blunderbuss that he tripped over his own feet at the wedding.
    • Don't be a blunderbuss — double-check your work before submitting it.
  2. A short gun with a wide barrel that fires many small balls at once, used in the past.
    • Pirates often carried a blunderbuss for close-range fighting.
    • The museum displayed an old blunderbuss from the 18th century.
    • The soldier loaded his blunderbuss with shot and prepared to fire.
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