strong (esp. AmE)

have
I had a hunch that she was not telling the truth.

act on, follow, play
Acting on a hunch, I waited outside her house to see if she went out.
I decided to follow my hunch and come and see you.

confirm
Her hunches were confirmed the next day.

back (esp. BrE)
He decided to back his hunches with serious money.

on a hunch
I called on a hunch to ask if he had any work for me.

Hunch is used with these nouns as the object:
back, shoulder