sure as hell
(as) sure as hell
Certainly, definitely, or absolutely. I've worked all my life to get to this position, so I'm sure as hell not going to give it up without a fight! They're sure as hell going to notice all that money missing in the morning.
*sure as hell
Inf. very sure. (Use discretion with hell. *Also: as ~.) As sure as hell, III be there on time. As sure as hell he did it!
(as) sure as ˈhell
(American English, informal) certainly; without doubt: Joe sure as hell won’t want to dress up in a suit and tie.sure as hell
verbSee as sure as hell