either of two soft fleshy milk-secreting glandular organs on the chest of a woman
{i} fool, dunce, dummy, silly person (Slang); error, blunder, mistake (British Slang); female breast (Vulgar Slang)
commit a faux pas or a fault or make a serious mistake; "I blundered during the job interview"
If you boob, you make a mistake. Is their timing right, or have they boobed again? Boob is also a noun. The government once again has made a big boob. = blunder. to make a stupid mistake American Equivalent: goof