chalk up

British  

verb

1. to score or register (something)

   we chalked up 100 in the game

2. to credit (money) to an account etc (esp in the phrase chalk it up )

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chalk up Idioms  

1. Score or earn, as in She chalked up enough points to be seeded first in the tournament . This term alludes to recording accounts (and later, scores) in chalk on a slate. [c. 1700]

2. Credit or ascribe, as They chalked their success up to experience . [First half of 1900s]

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