hot potato
From Longman Dictionary of Contemporary Englishhot potatoˌhot poˈtato noun [countable] a subject or problem that no one wants to deal with, because it is difficult and any decision might make people angry The issue has become a political hot potato.Examples from the Corpushot potato• That's when you see the Colonel and his council playing pass-the-parcel with a hot potato.• It had become a political hot potato, and time ran out as backers bickered over what tests to run.• Euthanasia for terminally ill patients is a political hot potato.political hot potato• It had become a political hot potato, and time ran out as backers bickered over what tests to run.