- The definition of boob means an idiot or someone who is the brunt of a joke.
An example of a boob is a court jester.
- Boob is defined as a slang term for breasts.
An example of boob is what a teenager might call a breast while looking at an underwear catalog.
Origin of boobfrom booby
Origin of boobprobably from booby, baby talk for “breast”
Origin of boobShort for booby 1
- A woman's breast.
- A manboob.
Origin of boobShort for booby 2
(third-person singular simple present boobs, present participle boobing, simple past and past participle boobed)
- (informal, intransitive) To make a mistake
Short for booby. The noun sense "breast" dates to 1945, while the noun sense "dummy" dates to 1909.