putty in someone's hands

putty in (one's) hands

Easy to control or bend to one's wishes. (Putty is a very malleable material.) Oh, come on, Julia is putty in our hands—we can definitely get her to help us with this prank.
See also: hand, putty
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.

putty in someone's hands

A person who is easily influenced or malleable, as in Dean adored his little granddaughter; he was putty in her hands. This metaphoric term, first recorded in 1924, transfers the malleable quality of putty to human behavior. Also see twist around one's finger.
See also: hand, putty
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.
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