Green’s Dictionary of Slang

(orig. US) those fashionable writers, academics and sundry critics etc, who have transcended their usual obscurity into the dubious limelight of the New York and London gossip columns.

1946		W. Winchell On Broadway 5 Oct. [synd. col.] Eugene O’Neill, John Steinbeck and Ferenc Molnar (of the gliterati) pedestrianing near the Plaza Hotel on 59th, unrecognized.
1951		W. Winchell On Broadway 15 May [synd. col.] The Gliterati: American mag’s new m.e. is Albert Perkins [etc].
1980		Jrnl Gaz. (Mattoon, IL) 25 Feb. 2/4: Beautiful people and ‘gliterati’ abound [in Chappaquiddick] in summer.
1992		D. Jarman diary 2 Sept. Smiling in Slow Motion (2000) 210: He described them as ‘the telephone tree glitterati’.
2005		P. Howard Curious Incident of the Dog in the Nightdress 278: Not so much the glitterati as the clitterati. We’re talking [...] decadence, Baby.
2009		P. Temple Truth 164: Why’s Barry holding your dick, taking you to meet the glitterati?