boob

Boob is a word for a woman's breast — it's also a word for an idiot. So if you're staring at a lady's boobs, you probably look like a boob.

This is a very common slang word that's not really inappropriate. Nobody is going to get too mad about you using the word boob, though breast is definitely more anatomically correct. The other meaning of boob is similar to dope, dumbbell, dummy, pinhead, and numbskull. This meaning is also pretty harmless. Calling someone a boob is only a little insulting — not quite fighting words.

Definitions of boob
  1. noun
    either of two soft fleshy milk-secreting glandular organs on the chest of a woman
    synonyms: bosom, breast, knocker, tit, titty
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    type of:
    mamma, mammary gland
    milk-secreting organ of female mammals
  2. noun
    an ignorant or foolish person
    synonyms: booby, dope, dumbbell, dummy, pinhead
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    type of:
    simple, simpleton
    a person lacking intelligence or common sense
  3. verb
    commit a faux pas or a fault or make a serious mistake
    synonyms: blunder, drop the ball, goof, sin
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    type of:
    breach, break, go against, infract, offend, transgress, violate
    act in disregard of laws, rules, contracts, or promises
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