From Longman Dictionary of Contemporary Englishbe up for grabsbe up for grabsinformalAVAILABLE if a job, prize, opportunity etc is up for grabs, it is available for anyone who wants to try to have it → grab
Examples from the Corpus
be up for grabs• The lower house of Congress also is up for grabs in the July elections.• Regional and runners-up prizes will also be up for grabs.• Before long the entire paper industry is up for grabs.• But the software, particularly the interface, was up for grabs.• Howe said Doug Johns is his fifth starter, but the fourth slot is up for grabs.• I had some memorable test drives after buying a dozen 6R4s when they were up for grabs at the factory.• This is the process whereby every scrap of green land in a town is up for grabs by development.• Canary Wharf was up for grabs. 