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A tendency or inclination to steal things. I think the new cashier we hired has sticky fingers, because money has begun disappearing from the till on the days that he's working. Someone with sticky fingers has been taking supplies out of the office.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
A propensity to steal, as in You'd better not leave any cash around; she's known for her sticky fingers. This metaphor makes it seem as if valuables adhere naturally to a thief's fingers. [Colloquial; late 1800s]
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.
If someone has sticky fingers, they steal things. One of the staff got sticky fingers and lifted hundreds of millions of dollars from accounts at the bank.
Collins COBUILD Idioms Dictionary, 3rd ed. © HarperCollins Publishers 2012
sticky fingersa propensity to steal. informal
Farlex Partner Idioms Dictionary © Farlex 2017
n. a tendency to steal. Watch these young kids with sticky fingers who come in here “just looking.”
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.