clock is ticking

around the clock

Alternative form of around-the-clock.

beat the clock

To perform a task or successfully complete an activity within a time limit.

clean someone's clock

To defeat someone decisively, in a physical fight or other competition or negotiation.

clock in

To be measured at.

clock the tea

To discover the truth about something.

face that would stop a clock

A shockingly unattractive face.

get one's clock cleaned

To be thoroughly defeated.

milk the clock

To use as much time as one can in order to gain a benefit.