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!
bet someone dollars to doughnuts
Fig. to bet something of value against something worth considerably less. I bet you dollars to doughnuts that she is on time. He bet me dollars to doughnuts that it would snow today.
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.