hunch

Short definition from Wiktionary

Noun

1. 1
   A hump; a protuberance.
2. 2
   A stooped or curled posture; a slouch.
3. 3
   A theory, idea, or guess; an intuitive impression that something will happen.
4. 4
   A hunk; a lump; a thick piece.
5. 5
   A push or thrust, as with the elbow.

Verb

1. 1
   To bend the top of one's body forward while raising one's shoulders.
2. 2
   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).
3. 3
   To walk (somewhere) while hunching one's shoulders.
4. 4
   To thrust a hump or protuberance out of (something); to crook, as the back.
5. 5
   To push or jostle with the elbow; to push or thrust against (someone).
6. 6
   To have a hunch, or make an intuitive guess.