when hell freezes over and the devil learns to (ice) skate

when hell freezes over and the devil learns to (ice) skate

Never; at no time. Bob, our family will relinquish control of this company to you when hell freezes over and the devil learns to ice skate. That clown will be allowed to run this great state of ours when hell freezes over and the devil learns to skate.
See also: and, devil, freeze, hell, learn, over, skate
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
See also:
Idioms browser ?
Full browser ?