Etymology
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gank (v.)
by 2000 as the verb that indicates the situation of many players or NPCs simultaneously attacking one; gamer slang, perhaps borrowed from hip-hop and drug-abuse slang (where it is attested by 1995 in the sense of "to rob, to rip off"); perhaps by 1990 in sports jargon. Of unknown origin; perhaps ultimately based on gang (v.). Related: Ganked; ganking.
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Machiavellian (adj.)

"cunning, deceitful, habitually duplicitous, unscrupulous, destitute of political morality," 1570s, from Niccolo Machiavelli (1469-1527), Florentine statesman and author of "Il Principe," a work advising rulers to place advantage above morality. A word of abuse in English well before his works were translated ("The Discourses" in 1636, "The Prince" in 1640), in part because his books were Indexed by the Church, in part because of French attacks on him (such as Gentillet's, translated into English 1602). Related: Machiavellianism.

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imperialist (n.)
c. 1600, "an adherent of an emperor or the imperial cause," such as the emperor of Germany (in the Thirty Years War), France, China, etc., probably modeled on French impérialiste (early 16c.); from imperial + -ist. The shift in meaning to "advocate of imperialism" (1893) came via the British Empire, which involved a worldwide colonial system. See imperialism. As a term of abuse in communist circles, attested by 1918. As an adjective by 1816.
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closet (n.)

late 14c., "a small private room for study or prayer," from Old French closet "small enclosure, private room," diminutive of clos "enclosure," from Latin clausum "closed space, enclosure, confinement," from neuter past participle of claudere "to shut" (see close (v.)).

In Matthew vi.6 it renders Latin cubiculum "bedchamber, bedroom," Greek tamieion "chamber, inner chamber, secret room." Modern sense of "small side-room for storage" is first recorded 1610s.

The adjective is from 1680s, "private, done in seclusion;" from 1782 as "fitted only for scholarly seclusion, not adopted to the conditions of practical life." The meaning "secret, not public, unknown" is recorded from 1952, first of alcoholism but by 1970s used principally of homosexuality; the phrase come out of the closet "admit something openly" is first recorded 1963, and lent a new meaning to the word out.

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lacerate (v.)
"to tear roughly," early 15c., from Latin laceratus, past participle of lacerare "tear to pieces, mangle," figuratively, "to slander, censure, abuse," from lacer "torn, mangled," from PIE root *lek- "to rend, tear" (source also of Greek lakis "tatter, rag," lakizein "to tear to pieces;" Latin lacinia "flap of a garment," lancinare "to pierce, stab;" Russian lochma "rag, tatter, scrap;" Albanian l'akur "naked"). Figurative sense in English is from 1640s. Related: Lacerated; lacerating.
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nag (n.)

"old horse," c. 1400, nagge "small riding horse, pony," a word of unknown origin, perhaps related to Dutch negge, neg (but these are more recent than the English word), perhaps related in either case to imitative neigh. The term of abuse "a worthless person," often of a woman, is a transferred sense, first recorded 1590s. For "one who annoys by scolding" (by 1925) see nag (v.).

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lampoon (n.)
"A personal satire; abuse; censure written not to reform but to vex" [Johnson], 1640s, from French lampon (17c.), a word of unknown origin, said by French etymologists to be from lampons "let us drink," which is said to have been a popular refrain for scurrilous songs, in which case it would be originally a drinking song. French lampons is from lamper "to drink, guzzle," a nasalized form of laper "to lap," from a Germanic source akin to lap (v.). Also see -oon.
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run-down (adj.)

1866, of persons, "to have the health or strength reduced," from the verbal phrase; see run (v.) + down (adv.). From 1896 of places, "dilapidated, shabby, seedy;" by 1894 of clocks, etc., "completely unwound." The earliest sense is "oppressed" (1680s). Compare rundown (n.).

The verbal phrase run down as "have the motive power exhausted" (of clocks, etc.) is by 1761; of persons, etc., "become weak or exhausted," by 1828. To run (something or someone) down "disparage, abuse" is by 1660s. 

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reproach (v.)

mid-14c., reprochen, "charge with a fault, censure severely," from Anglo-French repruchier, Old French reprochier "upbraid, blame, accuse, speak ill of," from reproche "blame, shame, disgrace" (see reproach (n.)). The sense of "rebuke, revile, abuse" is from 1510s. Related: Reproached; reproaching; reproachable.

To reproach a person is to lay blame upon him in direct address, and with feeling, to endeavor to shame him with what he has done. [Century Dictionary]
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jade (n.2)
"worn-out horse," late 14c., apparently originally "cart horse," a word of uncertain origin. Barnhart and Century Dictionary suggests a variant of yaid, yald "whore," literally "mare" (c. 1400), from a Scandinavian source akin to Old Norse jalda "mare," and ultimately from Finno-Ugric (compare Mordvin al'd'a "mare"). But OED finds the assumption of a Scandinavian connection "without reason." As a term of abuse for a woman, it dates from 1550s; in early use also of mean or worthless men, and sometimes simply "a young woman."
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