Wiktionary
shoe in
n. (misspelling of shoo-in English)
Usage examples of "shoe in".
The sound kicked him down the hall with his arms full of dresses, like a pointed-toe shoe in his rump.
The couple left in early September and returned ten months later to find a shoe in their fireplace.
As if he had counted down the shoe in which some important cards were missing.
As for the bloody footprints: any member of the household could have taken the tennis shoe from Doctor Bliss's bedroom and made the prints in the blood and then chucked the shoe in the waste-basket while the doctor slept under the influence of the opiate.