shoo-in \ˈ ̷ ̷ˌ ̷ ̷\noun (-s) Etymology: from shoo in, v. : one that is a certain and easy winner (as among candidates for an office or contestants in a race) : one that is bound to be successful : sure thing < figures as a shoo-in again > < seems to be a shoo-in for a second term — Newsweek > < ants, another supposed shoo-in to supplant mankind — New Yorker >