charge off
charge off {v.}
1. To consider or record as a loss, especially in an account book.
The store owner charged off all of the last season's stock of suits.
Syn.: WRITE OFF (1).
2. or charge up {informal}
To accept or remember (something) as a mistake and not worry about it any more. — Often used with "to experience".
He charged off his mistakes to experience.
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Source: A Dictionary of American Idioms