How to call someone STUPID, SMART, or CRAZY in English

source: English Lessons with Adam      2017年12月15日
You don't have to be nice all the time! Improve your vocabulary and learn how to insult someone creatively in this video. I'll teach you expressions to talk about how smart someone is too, so it isn't all negative. English is very creative when it comes to insults and praise. In this lesson we'll look at some interesting ways to say someone is dumb as well as ways to say someone is smart or just plain crazy. Hopefully, you're not out to lunch on this lesson, but are rather on the ball.