a mocking imitation of someone or something, usually light and good-humored; lampoon or parody: The show was a spoof of college life.
a hoax; prank.
verb (used with object)
to mock (something or someone) lightly and good-humoredly; kid.
to fool by a hoax; play a trick on, especially one intended to deceive.
verb (used without object)
to scoff at something lightly and good-humoredly; kid: The campus paper was always spoofing about the regulations.

1885–90; after a game invented and named by Arthur Roberts (1852–1933), British comedian

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Based on the Random House Dictionary, © Random House, Inc. 2014.
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World English Dictionary
spoof (spuːf)
1.  a mildly satirical mockery or parody; lampoon: a spoof on party politics
2.  a good-humoured deception or trick; prank
3.  to indulge in a spoof of (a person or thing)
4.  to communicate electronically under a false identity
[C19: coined by A. Roberts (1852--1933), English comedian, to designate a game of his own invention]

the act or an instance of impersonating another person on the internet or via email

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

"hoax, deception," 1884, spouf, name of a game invented by British comedian Arthur Roberts (1852-1933); sense of "a parody, satirical skit or play" is first recorded 1958, from verb in this sense, attested from 1914.
Online Etymology Dictionary, © 2010 Douglas Harper
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Computing Dictionary

spoofing definition

A technique used to reduce network overhead, especially in wide area networks (WAN).
Some network protocols send frequent packets for management purposes. These can be routing updates or keep-alive messages. In a WAN this can introduce significant overhead, due to the typically smaller bandwidth of WAN connections.
Spoofing reduces the required bandwidth by having devices, such as bridges or routers, answer for the remote devices. This fools (spoofs) the LAN device into thinking the remote LAN is still connected, even though it's not. The spoofing saves the WAN bandwidth, because no packet is ever sent out on the WAN.
LAN protocols today do not yet accommodate spoofing easily.
["Network Spoofing" by Jeffrey Fritz, BYTE, December 1994, pages 221 - 224].
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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Example sentences
Spoofing dance movies is an inspired notion, and this spoof occasionally hits its mark with nimble execution.
Another technology allows for spoofing cell phone signals.
Spoofing involves intercepting selected cell phone transmissions and preventing them from reaching the intended recipient.
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