Wiktionary
vb. 1 (context transitive figuratively English) To accumulate a large amount of time. 2 (context transitive figuratively British English) To accumulate a large distance.
WordNet
v. record a distance travelled; on planes and cars [syn: log up]
Usage examples of "clock up".
He wound the clock up first, for he couldn't safely do that once it was connected.
For the first two miles on 191, neither he nor Jilly spoke, and as the third mile began to clock up on the odometer, Dylan started to shake.
According to the digital bank-clock up the street from Tower of Power Records, it was 3:14 p.
It was the ticking of the old Guinness clock up there which solved the thing for me.
While he was speaking I heard the big grandfather-clock up in their flat chime the quarters and strike eight, and immediately after, our own hall-clock struck, and then I heard the Exchange say 'Three minutes.