be hell-bent on (something)(redirected from they were hellbent on something)
be hell-bent on (something)
To be very determined to do something, perhaps to an excessive degree. She's hell-bent on coming here for Thanksgiving, so we better clean the guest room. I'm hell-bent on getting an A on this exam, so I've been studying all week.
See also: on
Farlex Dictionary of Idioms. © 2022 Farlex, Inc, all rights reserved.