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clock something up
1. to record the accumulated hours, miles, etc., of some device or machine. (The recording is usually done by a meter of some type such as a speedometer, an elapsed time meter, etc. She must have clocked two hundred flying hours up in six months. She clocked up a lot of hours.
2. to reach a goal that is worthy of being recorded. (*Typically sports journalism. Compare this with chalk something up.) Patrick clocked a fantastic number of points up this year. He sure clocked up a lot of goals.
Record accumulated hours, miles, or points. For example, It won't be easy to clock up 1,000 flying hours, or Brian clocked up a record number of baskets this year. [Mid-1900s]