Source : Webster's Revised Unabridged Dictionary (1913)

Humped \Humped\, a.
   Having a hump, as the back.

Source : WordNet®

humped
     adj : characteristic of or suffering from kyphosis, an abnormality
           of the vertebral column [syn: {crookback}, {crookbacked},
            {humpbacked}, {hunchback}, {hunchbacked}, {gibbous}, {kyphotic}]