bet your bottom dollar/your life(redirected from bet your bottom your life)
bet your bottom dollar
Be certain that something will happen (so much so that one would hypothetically risk one's last dollar betting on it). I lost my umbrella, so you can bet your bottom dollar that it will rain tomorrow! Oh, you can bet your bottom dollar that Kevin will be late tonight—he's never on time!
Farlex Dictionary of Idioms. © 2015 Farlex, Inc, all rights reserved.
(you can) bet your bottom ˈdollar/your ˈlife (on something/that...)(informal) (you can) be certain of something: You can bet your bottom dollar that he’ll forget our anniversary.
Farlex Partner Idioms Dictionary © Farlex 2017