Posted by KC on March 30, 2004
In Reply to: Chalk it up posted by Olebucky on March 30, 2004
: Chalk it up to (whatever). Often used without knowledge of its source. Any offerings regarding what drove someone to first say, "Chalk it up to inexperience!"?
To credit a payment to an account or to put it on the slate.
Brewer's Dictionary of Phrase & Fable