boob1

[boob] /bub/
noun
1.
a stupid person; fool; dunce.
2.
British. a blunder; mistake.
verb (used without object)
3.
British. to blunder.
Origin
1905-10, Americanism; back formation from booby1

boob2

[boob] /bub/
noun, Slang: Sometimes Vulgar.
1.
a female breast.
Origin
1945-50; apparently back formation from booby2
British Dictionary definitions for boob

boob1

/buːb/
noun
1.
an ignorant or foolish person; booby
2.
(Brit) an embarrassing mistake; blunder
3.
a female breast
verb
4.
(intransitive) (Brit) to make a blunder
Word Origin
C20: back formation from booby

boob2

/buːb/
noun (Austral, slang)
1.
a prison
adjective
2.
of poor quality, similar to that provided in prison: boob coffee
Word Origin
from the US colloquial sense of booby hatch meaning jail
Word Origin and History for boob
n.

"stupid person," 1909, American English slang, perhaps from booby.

Slang definitions & phrases for boob

boob 1

noun
  1. A stupid person; dimwit: There are still boobs, alack, who'd like the old-time gin-mill back (1908+)
  2. A person who is too innocent and trusting; sucker: The poor boob fell for his line and gave him the money (1920s+)

boob 2

noun

A woman's breast; bub, knocker

[1940s+; probably fr boobie2]


boob 3

noun

A blunder; error; boo-boo

verb

: If I boob, I expect you to protect me (1930s+)