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Jerk vs Perk - What's the difference?

jerk | perk |

As nouns the difference between jerk and perk

is that jerk is a sudden, often uncontrolled movement, especially of the body while perk is {{cx|informal|lang=en}} Perquisite.

As verbs the difference between jerk and perk

is that jerk is to make a sudden uncontrolled movement while perk is shortened form of percolate.

As an adjective perk is

smart; trim; spruce; jaunty; vain.

jerk

English

Etymology 1

Probably from (etyl) . Related to (l).

Alternative forms

* (l)

Noun

(en noun)
  • A sudden, often uncontrolled movement, especially of the body.
  • * 1856 , (Gustave Flaubert), (Madame Bovary), Part III Chapter X, translated by Eleanor Marx-Aveling
  • The black cloth bestrewn with white beads blew up from time to time, laying bare the coffin. The tired bearers walked more slowly, and it advanced with constant jerks , like a boat that pitches with every wave.
  • A quick, often unpleasant tug or shake.
  • When I yell "OK," give the mooring line a good jerk !
  • (US, slang, pejorative) A dull or stupid person.
  • (US, slang, pejorative) A person with unlikable or obnoxious qualities and behavior, typically mean, self-centered or disagreeable.
  • I finally fired him, because he was being a real jerk to his customers, even to some of the staff.
    You really are a jerk sometimes.
  • (physics, engineering) The rate of change in acceleration with respect to time.
  • (obsolete) A soda jerk.
  • (weightlifting) A lift in which the weight is taken with a quick motion from shoulder height to a position above the head with arms fully extended and held there for a brief time.
  • Usage notes
    (wikipedia jerk) * Jerk is measured in metres per second cubed (m/s3) in SI units, or in feet per second cubed (ft/s3) in imperial units.
    Synonyms
    * (sudden movement) jolt, lurch, jump * (quick tug) yank * (stupid person) numbskull * (unlikable person) asshole, bastard, twat, knobhead, tosser, wanker, git, dick. * jolt (British), surge, lurch
    Derived terms
    * jerkish * soda jerk

    See also

    * acceleration * displacement * velocity

    Verb

    (en verb)
  • To make a sudden uncontrolled movement.
  • * 1877 , (Anna Sewell), (Black Beauty) Chapter 23[http://en.wikisource.org/wiki/Black_Beauty/23]
  • York came to me first, whilst the groom stood at Ginger's head. He drew my head back and fixed the rein so tight that it was almost intolerable; then he went to Ginger, who was impatiently jerking her head up and down against the bit, as was her way now.
  • To give a quick, often unpleasant tug or shake.
  • (US, slang, vulgar) To masturbate.
  • (obsolete) To beat, to hit.
  • (Florio)
  • (obsolete) To throw with a quick and suddenly arrested motion of the hand.
  • to jerk a stone
  • (usually, transitive, weightlifting) To lift using a jerk.
  • (obsolete) To flout with contempt.
  • Derived terms
    * jerk off * jerksome

    Etymology 2

    From American (etyl) charquear, from charqui, from (etyl) .

    Noun

    (-)
  • (Caribbean) A rich, spicy Jamaican marinade
  • (Caribbean) Meat cured by jerking; charqui.
  • Jerk chicken is a local favorite.

    Verb

    (en verb)
  • To cure (meat) by cutting it into strips and drying it, originally in the sun.
  • * 2011 , Dominic Smith, Bright and Distant Shores , page 106:
  • The Lemakot in the north strangled widows and threw them into the cremation pyres of their dead husbands. If they defeated potential invaders the New Irish hanged the vanquished from banyan trees, flensed their windpipes, removed their heads, left their intestines to jerk in the sun.

    perk

    English

    Etymology 1

    From perquisite, by abbreviation.

    Alternative forms

    * (l) (less common)

    Noun

    (en noun)
  • Perquisite.
  • Free coffee is one of the perks of the job.

    Etymology 2

    From percolate (verb) and percolator (noun), by abbreviation.

    Verb

    (en verb)
  • Shortened form of percolate.
  • Noun

    (en noun)
  • A percolator, particularly of coffee.
  • Etymology 3

    The origin is .

    Verb

    (en verb)
  • To become more lively or enthusiastic.
  • To exalt oneself; to bear oneself loftily.
  • * Barrow
  • to perk over them
  • To make trim or smart; to straighten up; to erect; to make a jaunty or saucy display of.
  • to perk''' the ears; to '''perk up one's head
    (Cowper)
    (Sherburne)
    Derived terms
    * perk up * perky

    Adjective

    (en adjective)
  • smart; trim; spruce; jaunty; vain
  • * Spenser
  • Perk as a peacock.

    Etymology 4

    The origin is .

    Verb

    (en verb)
  • (dated) To peer; to look inquisitively.
  • (Charles Dickens)
    ----