单词lame brain
na.: 傻瓜网络: 笨蛋；脑残
〔口语〕蠢人,笨蛋,傻瓜
The next time your friend does not get one of your jokes, there is no need to accuse him of being a lame brain.
下次你的朋友听不懂你讲的笑话时，必要笑人家笨。