shoe (one's) mule

shoe (one's) mule

To steal or misappropriate funds. The phrase refers to blacksmiths who did not shoe one's animal even after accepting payment. I entrusted him with a lot of money, so I'm going to be livid if I find out that he's trying to shoe my mule.
See also: mule, shoe
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
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