hunch over
To slouch, stoop, curl, or lean.
VERB + HUNCH
have
I have a hunch that we should check the weather before planning our picnic tomorrow.
act on, follow, play
She decided to play her hunch and apply for the job even though she had no experience.
back, confirm
The detective had a strong hunch about the suspect, and new evidence confirmed it.
PREP
on a ~
She decided to apply for the job on a hunch, even though she wasn't fully qualified.