Boob is defined as a slang term for breasts.(noun)
An example of boob is what a teenager might call a breast while looking at an underwear catalog.
The definition of boob means an idiot or someone who is the brunt of a joke.(noun)
An example of a boob is a court jester.
See boob in Webster's New World College Dictionary
Origin: < booby
Origin: prob. < booby, baby talk for “breast”
See boob in American Heritage Dictionary 4
Origin: Short for booby1.
Origin: Short for booby2.
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