A foolish person, a slow thinker (very informal) The lamebrains in the marketing department continually make mistakes. M OANING M INNIE
A person who complains a lot about insignificant things. Oh, stop being a Moaning Minnie! Just concentrate on your homework. S MART COOKIE
Somebody who has got a strong personality or who is quite smart. Katie is such a smart cookie, she can make any project a success. Just give him any particular problem, he’ll get it sorted out in no time at all. He’s a real smart cookie. W ET BLANKET
A person who ruins other people’s fun by staying pessimistic and complaining all the time. Katie is so negative about everything, she is such a wet blanket. C HATTERBOX
A person who talks a lot My son always gets detentions in school for talking in class, he is such a chatterbox. C RANK
A person whose behaviour or way of life is regarded as strange. We can also say an oddball/fish/bird or a weirdo (very informal). Peter never eats green vegetables, he thinks they make him sleepy. Heissuch a crank! R OLLING STONE