shoe in

Noun

shoo-in (plural shoo-ins)

1. The winner of a fixed race, a fixed race.
   • Little Pete was a member of the delegation that were in on the "shoo" in the third race. He had several commissioners placing his coin on Model. If the race was to have been a "shoo-in" for Model, there must have been one or two owners that were not in on the deal.1895, “Pointers from the Paddock”, in The San Francisco Call
2. (broadly, colloquial) A candidate or contestant generally agreed upon as the presumptive winner; a favorite, somebody who is well-liked or widely agreed upon.
   • She's very popular and good with numbers, so I expect she'll be a shoo-in for treasurer.