Definitions
There are 2 meanings of the phrase
Chalk Up.
Chalk Up - as a verb
Accumulate, sometimes as a debt
Example: "He chalked up $100 in the course of the evening"
Example Sentences
"I'll chalk up the win to the team's hard work."
"Let's chalk up this success to our dedication."
"I will chalk up my progress on the chalkboard."
"Let's chalk up the expenses for this project."
"We need to chalk up our monthly expenses."