Idiom: 'Clean as a whistle'

What does 'Clean as a whistle' mean?

Meaning: If something is as clean as a whistle, it is extremely clean, spotless. It can also be used to mean 'completely', though this meaning is less common nowadays. If somebody is clean as a whistle, they are not involved in anything illegal.


Idioms similar to 'Clean as a whistle'


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