fill someone's shoes

fill (one's) shoes

To replace one in some role; to take over for one in some position. You do so much for the company that I don't see how anyone could fill your shoes.
See also: fill, shoe
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

fill someone's shoes

Assume someone's position or duties, especially in a satisfactory way. For example, It'll be hard to find someone to fill her shoes when she retires, or John expects his son to fill his shoes at the store. Also see in someone's shoes.
See also: fill, shoe
The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 2003, 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

fill someone's shoes (or boots)

take over someone's function or duties and fulfil them satisfactorily. informal
See also: fill, shoe
Farlex Partner Idioms Dictionary © Farlex 2017
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References in periodicals archive ?
I could do every job within a store, and wasn't worried about losing people so much as I could always temporarily fill someone's shoes.