bet someone dollars to doughnuts
bet you dollars to doughnuts
I assure you (that something will happen, with so much confidence that I would bet money against something less valuable). I lost my umbrella, so I bet you dollars to doughnuts that it rains tomorrow! Oh, I bet you dollars to doughnuts that Kevin will be late tonight—he's never on time!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
bet someone dollars to doughnuts
tv. to bet something of value against something worth considerably less. I bet you dollars to doughnuts that she is on time.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions Copyright © 2006 by The McGraw-Hill Companies, Inc. All rights reserved.