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Synonyms

call it quits

Idioms  
  1. 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.