[hawg, hog]
a hoofed mammal of the family Suidae, order Artiodactyla, comprising boars and swine.
a domesticated swine weighing 120 pounds (54 kg) or more, raised for market.
a selfish, gluttonous, or filthy person.
a large, heavy motorcycle.
an impressively large luxury automobile.
Also, hogg, hogget. British.
a sheep about one year old that has not been shorn.
the wool shorn from such a sheep.
any of several other domestic animals, as a bullock, that are one year old.
Railroads Slang. a locomotive.
a machine for shredding wood.
Curling. a stone that stops before reaching the hog score.
verb (used with object), hogged, hogging.
to appropriate selfishly; take more than one's share of.
to arch (the back) upward like that of a hog.
roach3 ( def 3 ).
(in machine-shop practice) to cut deeply into (a metal bar or slab) to reduce it to a shape suitable for final machining.
to shred (a piece of wood).
verb (used without object), hogged, hogging.
Nautical. (of a hull) to have less than the proper amount of sheer because of structural weakness; arch. Compare sag ( def 6a ).
go the whole hog, to proceed or indulge completely and unreservedly: We went the whole hog and took a cruise around the world. Also, go whole hog.
live high off/on the hog, to be in prosperous circumstances. Also, eat high off the hog.

1300–50; Middle English; compare Old English hogg- in place-names; perhaps < Celtic; compare Welsh hwch, Cornish hogh swine

hoglike, adjective
unhogged, adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
hog (hɒɡ)
1.  a domesticated pig, esp a castrated male weighing more than 102 kg
2.  (US), (Canadian) any artiodactyl mammal of the family Suidae; pig
3.  dialect (Brit), (Austral), (NZ) another name for hogget Also: hogg
4.  informal a selfish, greedy, or slovenly person
5.  nautical a stiff brush, for scraping a vessel's bottom
6.  nautical Compare sag the amount or extent to which a vessel is hogged
7.  another word for camber
8.  slang chiefly (US) a large powerful motorcycle
9.  informal go the whole hog to do something thoroughly or unreservedly: if you are redecorating one room, why not go the whole hog and paint the entire house?
10.  informal chiefly (US) live high on the hog to have an extravagant lifestyle
vb , hogs, hogging, hogged
11.  slang to take more than one's share of
12.  to arch (the back) like a hog
13.  to cut (the mane) of (a horse) very short
[Old English hogg, from Celtic; compare Cornish hoch]

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

c.1175 (implied in hogaster), "swine reared for slaughter" (usually about a year old), also used by stockmen for "young sheep" (c.1350) and for "horse older than one year," suggesting the original sense had something to do with an age, not a type of animal. Not evidenced in O.E., but it may have existed.
Possibility of Celtic origin is regarded by OED as "improbable." Fig. sense of "gluttonous person" is first recorded 1436. Meaning "Harley-Davidson motorcycle" is attested from 1967. The verb meaning "to appropriate greedily" is U.S. slang from 1884 (first attested in "Huck Finn"). The verb hog-tie "bind hands and feet" is first recorded 1894. Hog in armor "awkward or clumsy person in ill-fitting attire" is from 1660. Phrase to go the whole hog (1828) is sometimes said to be from the butcher shop option of buying the whole slaughtered animal (at a discount) rather than just the choice bits. But it is perhaps rather from the story (recorded in Eng. from 1779) of Muslim sophists, forbidden by the Quran from eating a certain unnamed part of the hog, who debated which part was intended and managed to exempt the whole of it from the prohibition.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

hog definition

1. Favoured term to describe programs or hardware that seem to eat far more than their share of a system's resources, especially those which noticeably degrade interactive response. *Not* used of programs that are simply extremely large or complex or that are merely painfully slow themselves (see pig, run like a). More often than not encountered in qualified forms, e.g. "memory hog", "core hog", "hog the processor", "hog the disk". "A controller that never gives up the I/O bus gets killed after the bus-hog timer expires."
2. Also said of *people* who use more than their fair share of resources (particularly disk, where it seems that 10% of the people use 90% of the disk, no matter how big the disk is or how many people use it). Of course, once disk hogs fill up one file system, they typically find some other new one to infect, claiming to the sysadmin that they have an important new project to complete.

The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Idioms & Phrases


see go hog wild; go whole hog; high off the hog; road hog.

The American Heritage® Dictionary of Idioms by Christine Ammer.
Copyright © 1997. Published by Houghton Mifflin.
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Example sentences
It is not the time of your life to be living higher on the hog than you can
The bank bail-outs hog attention, but many of the government's crisis measures
  were designed to prop up the shadow system.
To be fair, having them feathered would be a huge resource hog.
He cites the pork industry, which used to be blighted with hog cholera.
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