Don't quit your day job. An insult; meant to inform someone that they are horrible at what ever they are trying to do, and should not make a career out of it. For an example singing. It means what you are doing isn't all that good - or you aren't very good at it. And whatever you are doing now is probably where you need to stay because you'll never get anywhere with what you just showed them.They say it when you are doing something else really poorly. You are doing whatever it is so poorly, that you should not do it for a living. For example, if you tell a bad joke, someone will say it, meaning you are better off working in the office than becoming a comedian. Or if you are playing basketball and suck, someone will say it, indicating that you will never be a basketball player for a living. Keep the day job.
· 4 months ago