clock sth up

— Phrasal Verb with clock

/klɒk/ verb [I]

Definition

UK informal

› to collect or achieve a large number of similar things: Most store cards are just about the worst way shoppers can clock up debts. In a couple of months she will clock up a year's employment and will be able to take up the company's pension deal. Motorists who clock up more than 15,000 miles a year are more likely to be caught speeding because of the huge number of speed cameras around.

(Definition of clock sth up from the Cambridge Business English Dictionary © Cambridge University Press)