what were you thinking?
This page is about the conversational phrase what were you thinking?
Meaning
You can say this if someone's done something silly or made a mistake.
For example
- "I got arrested for drunk driving."
"What were you thinking? You knew the cops would be out on Saturday night!" - "I've lost all my money! I put everything I had into that company."
"What were you thinking? I told you to spread your investments around, Dad!"
Contributor: Matt Errey