clock out
To mark one's departure from work, as on a time clock (a device that stamps the arrival and departure time onto each employee's timecard, or records the times digitally). A noun or pronoun can be used between "clock" and "out." I really need to clock out now because my shift was over an hour ago. Go see Janet, she'll clock you out.
clock someone out
to observe and record someone's time of departure. Jane clocked herself out and went home.
clock out
to record one's time of departure, usually by punching a time clock. I will clock out just before I go home. Jim clocked out early Tuesday to go to the doctor.