名詞 boob:

1. an ignorant or foolish person
   同義詞：dumbbell, dummy, dope, boob, booby, pinhead
2. either of two soft fleshy milk-secreting glandular organs on the chest of a woman
   同義詞：breast, bosom, knocker, boob, tit, titty

動詞 boob:

1. commit a faux pas or a fault or make a serious mistake
   同義詞：sin, blunder, boob, goof