What does the expression “clean as a whistle” mean?
Definition: perfectly clean
Example: Your bedroom is a total mess. I want you to go in there, and I don’t want you to come out until it’s clean as a whistle.
What does the expression “clean as a whistle” mean?
Definition: perfectly clean
Example: Your bedroom is a total mess. I want you to go in there, and I don’t want you to come out until it’s clean as a whistle.