be dollars to doughnuts that
be dollars to doughnuts that (something happens)
To be assured or certain to happen. The idea is that one is so confident in a particular outcome that they would bet money against something less valuable. It's dollars to donuts that Kevin will be late tonight—he's never on time.
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
be dollars to doughnuts thatbe a certainty that. North American informal
1936 James Curtis The Gilt Kid If he were seen it was dollars to doughnuts that he would be arrested.
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