a rounded protuberance, especially a fleshy protuberance on the back, as that due to abnormal curvature of the spine in humans, or that normally present in certain animals, as the camel or bison.
Physical Geography.
a low, rounded rise of ground; hummock.
a mountain or mountain range.
Railroads. (in a switchyard) a raised area down which cars pushed to its crest roll by gravity and momentum for automatic sorting through a series of preset switches.
Slang: Vulgar.
an act or instance of coitus.
a partner in coitus.
the hump.
British Slang. a fit of depression or bad humor: to get the hump.
(initial capital letter) (in World War II) the Himalayas.
verb (used with object)
to raise (the back) in a hump; hunch: The cat humped its back.
Railroads. to sort (cars) by means of a hump.
Informal. to exert (oneself) in a great effort.
Slang: Vulgar. to have sexual intercourse with.
to place or bear on the back or shoulder.
to carry or haul.
to load or unload; lift.
verb (used without object)
to rise in a hump.
Informal. to exert oneself; hustle or hurry.
Slang: Vulgar. to engage in sexual intercourse.
over the hump, past the most difficult, time-consuming, or dangerous part or period: The doctor says she's over the hump now and should improve steadily.

1700–10; probably abstracted from humpbacked

humper, noun
humpless, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
hump (hʌmp)
1.  a rounded protuberance or projection, as of earth, sand, etc
2.  pathol a rounded deformity of the back in persons with kyphosis, consisting of a convex spinal curvature
3.  a rounded protuberance on the back of a camel or related animal
4.  informal (Brit) the hump a fit of depression or sulking (esp in the phrase it gives me the hump)
5.  over the hump past the largest or most difficult portion of work, time, etc
6.  to form or become a hump; hunch; arch
7.  slang (Brit) (tr) to carry or heave
8.  slang to have sexual intercourse with (someone)
9.  informal (Austral), (NZ) hump one's swag (of a tramp) to carry one's belongings from place to place on one's back
[C18: probably from earlier humpbacked]

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Word Origin & History

1680s (in hump-backed), from Du. homp "lump," from M.L.G. hump "bump," from P.Gmc. *khump-. Replaced, or perhaps influenced by, O.E. crump. A meaning attested from 1901 is "mound in a railway yard over which cars must be pushed," which may be behind the figurative sense of "critical point of an undertaking"
(1914). The verb meaning "to do the sex act with" is attested from 1785, but the source of this indicates it is an older word. Humpback whale is from 1725.
Online Etymology Dictionary, © 2010 Douglas Harper
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Slang Dictionary

hump definition

  1. tv. & in.
    to copulate [with] someone. (Refers to male arching his back in copulation, as in fornicate. Usually objectionable.) : The sailor spent his entire leave drinking and humping.
  2. n.
    an act of copulation. (Usually objectionable.) : The sailor said he needed a hump and left the ship for the port.
  3. n.
    a person who will copulate without much persuasion. (Usually objectionable.) : He's okay as a hump, but he can't dance.
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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hump (along) definition

  1. in.
    to move along in a hurry. : Come on, move it! Hump to the main office and be fast about it!
Dictionary of American Slang and Colloquial Expressions by Richard A. Spears.Fourth Edition.
Copyright 2007. Published by McGraw-Hill Education.
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American Heritage
Idioms & Phrases


see over the hump.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
She knows she's over some hump and can envision a solution.
Once a camel is given proper food and rest, the hump generally returns to its
  original size within a few days.
The researchers didn't speculate what function the hump might have served.
It has a bit of a hump on the back, on the top half where the camera is.
Idioms & Phrases
Image for hump
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