A hump; a protuberance.

A stooped or curled posture; a slouch.

“The old man walked with a hunch.”

A theory, idea, or guess; an intuitive impression that something will happen.

“I have a hunch they'll find a way to solve the problem.”

To bend the top of one's body forward while raising one's shoulders.

“Don't hunch over your computer if you want to avoid neck problems.”

To raise (one's shoulders) (while lowering one's head or bending the top of one's body forward); to curve (one's body) forward (sometimes followed by up).

“He hunched up his shoulders and stared down at the ground.”

To walk (somewhere) while hunching one's shoulders.