Hump /(hŭmp)/

Hump

n.
  1. A protuberance; especially, the protuberance formed by a crooked back.
  2. A fleshy protuberance on the back of an animal, as a camel or whale. (Zool.)
  3. a portion of a switchyard with a slanting track in which freight cars may coast without an engine and be sorted through a series of switches. (Railroad)

Hump

v. t.
  1. To form into a hump; to make hump-shaped; to hunch; -- often with up.
    The cattle were very uncomfortable, standing humped up in the bushes.
    — T. Roosvelt.
  2. To put or carry on the (humped) back; to shoulder; hence, to carry, in general. [Slang, Australia]
    Having collected a sufficient quantity, we humped it out of the bush.
    — C. L. Money.
  3. To bend or gather together for strenuous effort, as in running; to do or effect by such effort; to exert; -- usually reflexively or with it; as, you must hump yourself. [Slang, U. S.]
    A half dozen other negroes, some limping and all scared, were humping it across a meadow.
    — McClure's Mag.
  4. to sort freight cars by means of a hump. (Railroad)
  5. to engage in sexual intercourse with. [Vulgar Slang, U. S.]