What does "clock off" mean?

to leave work, especially by recording the leaving time on a machine

What is a synonym for "clock off"?

Common synonyms include: clock out, punch out.

verb, slang

verb, slang ·Uncommon ·College level

Verb

1
to leave work, especially by recording the leaving time on a machine informal, intransitive
"Most of the staff have already clocked off for the night, you should do the same."
2
register one's departure from work wordnet

"Most of the staff have already clocked off for the night, you should do the same."