Call it quits
(PW) stop, finish
I have worked all day and am exhausted. I’ve decided to call it quit.
(free)
call it quits Informal
To stop working or trying; quit.
call it quits
to quit; to resign from something; to announce that one is quitting. Okay! I've had enough! I'm calling it quits. Time to go home, John. Let's call it quits.
call it quits
1. (informal) to stop doing something The relationship had been going from bad to worse and we just decided it was time to call it quits.
2. (informal) to agree with someone that a debt has been paid and that no one owes money to anyone You paid for the theatre tickets so if I pay for dinner we can call it quits.
call it quits
to stop doing something A number of county fairs have called it quits because of a lack of interest.
Usage notes: often said about an effort to accomplish something: Brant called it quits this morning after traveling nearly 12,000 kilometers in the balloon.
(dictionary)
a. to end one's activity, esp. temporarily: At 10 o'clock I decided to call it quits for the day.
b. to abandon an effort.
(yourdictionary)
call it quits idiom
Stop working, abandon something, give up, as in John is calling it quits for now or This ground is far too stony for a garden so I'm calling it quits. This idiom comes from cry quits, dating from the 1600s and meaning “declare even” or “get even.” The verb call was substituted in the late 1800s. Also see call it a day.