clean minded

The opposite of dirty minded. When everyone's mind is in the gutter and one person just doesn't get it.

Ty: Do you want to come over after I get off?
Kat: No I want to come before you get off ;)
Ty: Why would you want to come over while I'm at work? I won't be home yet.
Kat: You are so clean minded.

8👍 5👎