noun
boob
BOOB
noun
1
A silly mistake.
"I made a real boob putting the invoice in the wrong envelope."
"Forgetting the ring was a classic boob on his part."
2
A woman's breast (informal).
"The comedian made a crude joke about boobs."
verb
1
To make a foolish mistake; to blunder.
"He boobed by sending the email to the whole office by accident."
How to Use Boob
Learner’s notesIn plain EnglishEither a silly slip-up, or slang for a woman's breast — context makes clear which is meant.
When to use it
Very informal; the breast sense can be crude depending on tone, so it is best avoided in polite or professional writing.
Common pairings
make a boob
boob job
Word Forms
boobed past tense, boobs plural, boobs plural, boobs plural, boobs singular
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Etymology
A shortened form of "booby," which itself traces back to Spanish bobo, "fool."