noun Informal.
- a candidate, competitor, etc., regarded as certain to win.
noun
- a person or thing that is certain to win or succeed
- a match or contest that is easy to win
“easy winner” (especially in politics),” 1939, from earlier sense “horse that wins a race by pre-arrangement” (1928); the verb phrase shoo in in this sense is from 1908; from shoo (v.) + in (adv.).