Etymology
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dip (n.2)

"stupid person, eccentric person," 1920s slang, perhaps a back-formation from dippy. "Dipshit is an emphatic form of dip (2); dipstick may be a euphemism or may reflect putative dipstick 'penis' " [DAS].

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skinny (adj.)
c. 1400, "resembling skin," from skin (n.) + -y (2). Meaning "lean, emaciated" is recorded from c. 1600. Of clothes, "tight-fitting" by 1970. In the noun sense of "the truth" it is World War II military slang, perhaps from the notion of the "naked" truth. Related: skinniness.
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dip (v.)

Old English dyppan "to plunge or immerse temporarily in water, to baptize by immersion," from Proto-Germanic *daupejanan (source also of Old Norse deypa "to dip," Danish døbe "to baptize," Old Frisian depa, Dutch dopen, German taufen, Gothic daupjan "to baptize"), related to Old English diepan "immerse, dip," and probably a causative of Proto-Germanic *deup- "deep" (see deep (adj.)).

Intransitive sense of "plunge into water or other liquid" and transferred sense "to sink or drop down a short way" are from late 14c. From c. 1600 as "to raise or take up by a dipping action;" from 1660s as "to incline downward;" from 1776 as "to lower and raise (a flag, etc.) as if by immersing."

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dip (n.1)

1590s, "act of dipping," from dip (v.). Sense of "a downward slope" is by 1708. Meaning "liquid into which something is to be dipped" is attested by 1825, in 19c. especially "sweet sauce for pudding, etc.," also "juices and fat left after cooking meat." The sense "thick, savory sauce for dunking pieces of raw vegetables" (by 1962) is probably a modern re-coinage.

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skinny-dipping (n.)
1959, from skinny + dip (v.). Skinny-dip is from 1962.
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Pantaloon (n.)

name of the skinny, foolish old man in Italian comedy, 1580s; see pantaloons. As a kind of leggings, from 1660s.

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dipstick (n.)

"rod for measuring the depth of a liquid" (originally and especially the oil in a motor engine), 1927; see dip (v.) + stick (n.). For slang "penis" sense, see dip (n.2).

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ladle (v.)
"to lift or dip with a ladle," 1758, from ladle (n.). Related: Ladled; ladling.
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baptize (v.)
"to administer the rite of baptism to," c. 1300, from Old French batisier "be baptized; baptize; give a name to" (11c.), from Latin baptizare, from Greek baptizein "immerse, dip in water," also figuratively, "be over one's head" (in debt, etc.), "to be soaked (in wine);" in Christian use, "baptize;" from baptein "to dip, steep, dye, color," perhaps from PIE root *gwabh- (1) "to dip, sink." Christian baptism originally was a full immersion. Related: Baptized; baptizing.
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duck (v.)

c. 1300, "to plunge into" (transitive); mid-14c., "to suddenly go under water and immediately withdraw" (intransitive); from a presumed Old English *ducan "to duck," found only in derivative duce (n.) "duck" (but there are cognate words in other Germanic languages, such as Old High German tuhhan "to dip," German tauchen "to dive," Old Frisian duka, Middle Dutch duken "to dip, dive," Dutch duiken), from Proto-Germanic *dukjanan.

The sense of "to lower or bend down suddenly, stoop quickly," as in dodging, is recorded by 1520s. Related: Ducked; ducking. The noun is attested from 1550s in the sense of "a quick stoop;" meaning "a plunge, a dip" is from 1843.

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