Count me in / out

2nd January 2024

Count me in / out

We use this expression to say that we want to join in an activity (IN) or not join in an activity (OUT).
Usage
Written: 
Yes
Spoken: 
Yes
Formal: 
No
Informal: 
Yes
Example 1
We're having a picnic tomorrow. Are you interested?
Count me in! I love picnics.
Example 2
I think we should complain to the director.
Count me out. I don't want to make him angry.