- (slang)
a woman’s breast （女人的）乳房 - (British English, informal)
a stupid mistake 愚蠢的错误 I made a bit of a boob deleting that file. 我犯了个愚蠢的错误，把那份文件删除了。
- (North American English)
a stupid person 傻瓜；蠢货
Word Originnoun senses 2 to 3 early 20th cent.: abbreviation of booby ‘stupid person’. noun sense 1 1950s (originally US): abbreviation of booby ‘woman's breast’, from dialect bubby, of uncertain origin; perhaps related to German dialect Bübbi ‘teat’.