Etymology
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ginormous (adj.)
by 1948, perhaps 1942, apparently originally a World War II military colloquialism, from a merger of gigantic + enormous.
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mondo (adj.)

"very much, extreme," 1979, from Italian mondo "world" (from Latin mundus; see mundane); specifically from "Mondo cane," title of a 1961 film, literally "world for a dog" (English title "A Dog's Life"), depicting eccentric human behavior. The word was abstracted from the title and taken as an intensifier.

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Cuzco 
city in Peru, former capital of the Inca Empire, from Quechua (Inca), literally "navel," in a figurative meaning "center" (of the world, as the navel is the center of the body). Other places known as "navel of the world" include Delphi, Jerusalem, Rome, Easter Island, and Mount Kailash in Tibet.
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parochialism (n.)

"limited and narrow character or tendency, provincialism, narrow-mindedness and uncuriosity about the wider world," 1847, from parochial + -ism.

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Spad (n.)
French biplane fighter of World War I, 1917, from French spad, from acronym of Societé pour Aviation et ses Dérivés.
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delouse (v.)

"clear of lice," 1918, from de- + louse (n.). First in reference to World War I armies. Related: Deloused; delousing.

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Wobbly (n.)
1914, member of Industrial Workers of the World (I.W.W.). Probably some sort of elaboration of the W aspect of the acronym.
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quisling (n.)

"national traitor," especially during World War II in Nazi-occupied countries, "collaborationist," 1940, from Vidkun Quisling (1887-1945), Norwegian fascist politician who headed the puppet government during the German occupation of Norway in World War II; shot for treason after the German defeat. First used in London Times of April 15, 1940, in a Swedish context.

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POW (n.)
also P.O.W., initialism (acronym) for prisoner of war, coined 1919 but not common until World War II.
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AEF 
also A.E.F., abbreviation of American Expeditionary Force, the U.S. military force sent to Europe in 1917 during World War I.
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