I know you are but what am I?
A stupid comeback that’s been used since the 60s. It’s like the worst insult ever made.
He said I was a nerd. I said, 'I know you are, but what am I?' and he died.
She said I was a loser. I said, 'I know you are, but what am I?' and she quit.
He said I was a baby. I said, 'I know you are, but what am I?' and he cried.