time is up(redirected from Time's Up)
Also found in: Acronyms, Wikipedia.
Time is up.
Fig. The allotted time has run out. You must stop now. Your time is up. Time's up! Turn in your tests whether you're finished or not.
time is up
The period of time allowed for something is ended, as in Turn in your papers, students; time is up. This idiom uses up in the sense of "completed" or "expired," a usage dating from about 1400.