N-COUNT (称呼喜欢的人)傻瓜，笨蛋 If you call someone who you like a chump, you are telling them that they have done something rather stupid or foolish, or that they are always doing stupid things. (称呼喜欢的人)傻瓜，笨蛋 [informal, disapproval]
The guy's a chump. I could do a better job myself.