boner

noun bon·er \ ˈbō-nər \
1 : one that bones
2 : a clumsy or stupid mistake; also : howler 2
3 vulgar slang : an erect penis

BONER Defined for English Language Learners

boner

  • : a foolish or careless mistake

  • : an erection of the penis


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investment of mental or emotional energy

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