be a shoo-in

be a shoo-in

To be predicted to easily win a competition. Julia is a shoo-in for this year's spelling bee—she's the best speller in the whole town.
Farlex Dictionary of Idioms.

be a shoo-in

INFORMAL
If someone is a shoo-in for something such as an election or contest, they are certain to win. Note: `Shoo-in' is sometimes spelled `shoe-in'. The president seemed a shoo-in for a second term, even though the election was some 20 months away. She seemed like a shoo-in. But in the past month she has seen her 20-point lead reduced to a mere five percentage points.
Collins COBUILD Idioms Dictionary, 3rd ed.

be a ˈshoo-in

(American English, informal) be a person or team that will win easily or will definitely be chosen for something: He’s a shoo-in for governor. She was a shoo-in to win the award.
Farlex Partner Idioms Dictionary
See also:
  • shoo
  • shoo-in
  • shoo away
  • shoo off
  • ain’t 1
  • as busy as a bee
  • be (as) busy as a bee
  • busy as a bee
  • (as) busy as a bee
  • go head to head
References in periodicals archive
Thank goodness he's Swiss or he'd be a shoo-in for the European Commission" Ukip leader Nigel Farage after Sepp Blatter resigned as Fifa president "The trick is to get there early.
THEY SAID WHAT?
MARK WILLIAMS looked sharp in reaching the final of the Tredegar Constitutional Club Open earlier this month and ought to be a shoo-in against Marcus Campbell.
Walden should have the measure of veteran Harold
Hot dog or not, Rickey Henderson became a tough-to-beat ball player in his day, and five years after he hangs up his spikes and closes out his major league career for good, hell be a shoo-in Hall of Fame candidate.
Rickey Henderson will hang up spikes as game's greatest leadoff hitter