boner

¹

[ boh-ner ]

noun

1. a person or thing that bones.
2. Slang: Vulgar. an erection of the penis.

boner

²

[ boh-ner ]

noun

, Slang.

1. a foolish and obvious blunder; stupid mistake:

   Inviting both members of the newly divorced couple was a dreadful boner.

boner

/ ˈbəʊnə /

noun

1. slang.
   a blunder
2. slang.
   an erection of the penis
3. a low-grade slaughtered animal suitable for use in pies, sausages, etc

Word History and Origins

Origin of boner¹

First recorded in 1895–1900; bone + -er ¹

Origin of boner²

An Americanism dating back to 1910–15; bone(head) + -er ¹