> geek
> 
> geek . Var. geck sb.1 U.S. slang. (See quots. 1954 and 1961).
> 
>    * 1876: see geck sb.1.
> 
>    * 1916 Wells Fargo Messenger Oct. 29/2 A new Wells agent struck
>      our town the other week, and say-you never saw a more
>      enthusiastic geek!
> 
>    * 1954 Webster Add., Geek, a carnival `wild man' whose act
>      usually includes biting the head off a live chicken or snake.
> 
>    * 1961 Times Lit. Suppl. 27 Jan. 62/2 He picks up waitress, a
>      simple girl, and enslaves a `geek', a dumb sideshow stooge
>      whose daily routine consists of being exhibited in a pit which
>      he has to dig for himself.


> geck
> 
> geck gek, sb.1 Obs. exc. dial. Forms: 6 geke, 7 gecke, 6, 9 geck
> (geek). app. a. LG. geck, = MDutch gec(k, ghec(k, Dutch gek adj. and
> sb.; related (either as source or derivative) to gecken geck v. From
> LG. the word passed into the HG. dialects, MHG. geck(e, G. geck, and
> into Scand., Da. gjæk, Sw. gäck, Norw. gjekk, ? Icel. gikkr. A fool,
> simpleton; one who is befooled or derided, a dupe.
> 
>    * 1515 Barclay Egloges i. (1570) A iij b, He is a foole, a sotte,
>      and a geke also Which choseth..the worst [way] and most of
>      ieoperdie.
> 
>    * 1601 Shaks. Twel. N. v. i. 351 Why haue you suffer'd me to be
>      imprison'd..And made the most notorious gecke and gull That ere
>      inuention plaid on?
> 
>    * 1611 Shaks. Cymb. v. iv. 67 To become the geeke [sic] and
>      scorne o' th' others vilany.
> 
>    * 1859 Geo. Eliot A. Bede 83 If she's tackled to a geck as
>      everybody's laughing at.
> 
>    * 1876 Whitby Gloss., Gawk, Geek, Gowk or Gowky, a fool; a person
>      uncultivated; a dupe.
> 
> geck
> 
> geck gek, sb.2 Chiefly Sc. = Dutch and G. geck vbl. sb.
> corresponding to gecken (see geck v.) as in G. gecken machen to play
> tricks; in geck sagen, Dutch in gheck segghen (Kilian), to say in
> jest. A gesture of derision; an expression of scorn or contempt.
> 
>    * 1500-20 Dunbar Poems xxvi. 28 Than all the feyndis lewche, and
>      maid gekkis.
> 
>    * 1576 Tyde tarryeth no Man in Collier E.E. Pop. Lit. (1863-4) 29
>      And though I have attire both costly and gay, Yet unlesse it be
>      new, I shall have but a geck.
> 
>    * 1597 Montgomerie Cherrie & Slae 1085 `Gudeman, gramercy for
>      3our geck' Quod Hope, and lawly louts.
> 
> b.
> 
> to get a geck
> 
> to get a geck: to be deceived or tricked.
> 
> to give one the geck
> 
> to give one the geck: to mock, trick, deceive one.
> 
>    * 1568 Satir. Poems Reform. xlvii. 84 Now better war lat bee Nor
>      to begin to gett 3our selffis ane geck.
> 
>    * 1583 Leg. Bp. St. Androis 898 xlv, The first merchant he cleane
>      forsuike, Gave him the geck, and lat him gea.
> 
>    * 1603 Philotus lxxviii, The Carle that hecht sa weill to treit
>      3ow, I think sall get ane geck.
> 
>    * ? 16.. Fair Janet & Sweet Will; xx. in Child Ballads iii. lxiv.
>      (1885) 105/2 This day she has gien me the gecks, Yet she must
>      bear the scorn.
> 
>    * 1808-25 Jamieson, s.v., To gie one the geck, to give him the
>      slip; generally including the idea of exposing him to derision.
> 
> geck
> 
> geck gek, v. Sc. and north. dial. app. a. LG. gecken = MDutch
> ghecken, DU. gekken, G. gecken: see geck sb.1, and cf. the echoic
> Ger. gecken to croak, cackle. Also in Scand. as Da. gjække, Sw.
> gäcka.
> 
> 1. trans. To mock, deceive, cheat.
> 
>    * 1583 Leg. Bp. St. Androis 867 in Satir. Poems Reform. xlv, Hame
>      to the prowest it was directit; But ye shall heir whow he was
>      geckit.
> 
> 2. intr.
> 
> to geck at
> 
> to geck at: to scoff at, to use mocking language or gestures
> towards.
> 
>    * 1603 Philotus ciii, I trow that all the warld euin Sall at 3our
>      guckrie geck.
> 
>    * 1725 Ramsay Gentle Sheph. i. i, She Bauldy looes..But gecks at
>      me, and says I smell of tar.
> 
>    * 1775 Burns `Tibbie I hae seen' i, Ye geck at me because I'm
>      poor.
> 
>    * 1837 R. Nicoll Poems (1843) 102 He'll geck e'en at the Minister
>      An' joke wi' laird an' lady.
> 
>    * 1876 Whitby Gloss., Geck, to sneer or deride.
> 
> 3. To toss the head, as in scorn; to look proudly. Also trans.
> 
> to geck up the head
> 
> to geck up the head. Possibly a distinct word.
> 
>    * 1724 Ramsay Evergreen (1761) II. 15 Scho gecks as gif I meind
>      her Ill.
> 
>    * 1728 Ramsay Fables, Caterpillar & Ant 9 The saucy Ant..gecking
>      up her head, quoth she `Poor animal! I pity thee'.
> 
>    * 1786 Burns Dream viii, Adieu, my liege! may freedom geck
>      Beneath your high protection.
> 
>    * 1811 Willan in Archæol; XVII. 147 Geck, to toss the head.