> glitzy
> 
> glitzy gli.tsi, a. slang (orig. and chiefly N. Amer.). Prob. f. G.
> glitzern to glitter (perh. via Yiddish); cf. G. glitzerig
> glittering: see -y1. Characterized by glitter or extravagant show;
> ostentatious, glamorous; hence, tawdry, gaudy; glitteringly
> spectacular, but in poor taste. Cf. glittering ppl. a. 2, glitterati
> sb. pl.
> 
>    * 1966 N.Y. Times 31 Aug. 66/4 Advertising will stress that Devil
>      Shake is `glitzy'. This claim will be hard to deny, at least
>      until someone defines the word.
> 
>    * 1968 Britannica Bk. of Year 745/1 John Kander's
>      music,..Patricia Zipprodt's glitzy-tawdry costumes, and Ronald
>      Field's wittily obscene choreography were fused..into a
>      corrosively brilliant symbol of human depravity.
> 
>    * 1975 New Yorker 5 May 138/2 This number, like the ballet as a
>      whole, is much too restless and glitzy.
> 
>    * 1976 Globe & Mail (Toronto) 22 Nov. 1/4 The restaurants of the
>      future..will..be big gala places with entertainment and
>      booze-ups and big bills...The Cossacks has gone glitzy.
> 
>    * 1977 Sounds 1 Jan. 5/3 The five man band play havoc-wreaking
>      rock 'n' roll, much in the tacky, glitzy style of lamented
>      British Bands such as Spearhead and the Heavy Metal Kids.
> 
>    * 1979 Maclean's Mag. 28 May 51/1 But in a forum ringing with the
>      clack of easy typewriters and the back-thumping of glitzy
>      cynics, words like style, art, commitment are booed offstage.
> 
>    * 1983 E. Leonard LaBrava (1985) i. 7 But look at the dressing
>      room, all the glitzy crap, the tinfoil cheapness.
> 
>    * 1985 Listener 21 Mar. 27/1 The Oscars are the high point of the
>      Western film industry's year-a glitzy, vulgar affirmation that
>      they're getting things right.
> 
> Hence as back-formation
> 
> glitz
> 
> glitz, an extravagant but superficial display; showiness,
> ostentation, esp. show-business glamour or sparkle.
> 
>    * 1977 New Republic 19 Feb. 21/2 Stoppard's plays have been
>      marked by undergraduate cleverness and glitz and ultimate
>      sterility.
> 
>    * 1977 Time 4 July 52/2 Her style is often derivative of Tom
>      Wolfe and Joan Didion, but Babitz has the one indispensable
>      quality for her kind of work: true glitz.
> 
>    * 1983 Times Lit. Suppl. 25 Feb. 200/1 One American reviewer
>      swooned over Mistral's Daughter, Judith Krantz's latest bundle
>      of glitz.
> 
>    * 1985 Toronto Life Sept. 41/3 There was too much Third-World
>      esoterica and not enough Hollywood glitz.