ETYM Cf. Dutch homp a lump, LG. hump heap, hill, stump, possibly akin to Eng. heap. Related to Hunch.
1. A protuberance; especially, the protuberance formed by a crooked back (such as that of a hunchback).
2. A fleshy protuberance on the back of an animal, as a camel or whale.

ETYM For sulkenness, from AS. solcen slothful, remiss, in âsolcen, besolcen, properly p. p. of sealcan in âsealcan to be weak or slothful; of uncertain origin.
1. A feeling of sulky resentment; SYN. huffishness.
2. A sullen moody resentful disposition; SYN. sullenness, moroseness, sourness.