lost time

n. An oilfield term describing time not spent doing the task at hand (drilling, producing, or servicing wells). Lost time typically results in telephone calls, e-mail and paperwork from the FSM.

We had four hours of lost time on the last shift.

lost time by vaeren January 13, 2007

make up for lost time 

to do something very fast to compensate for a slow start

After going through the all that We ought to make up for lost time.

make up for lost time by The Return of Light Joker August 2, 2009