2003 May 23,Pussy=^..^=Galore & Goat-Boy [username],“Re: why?”, infreeserve.chat, Usenet:
> why do men whistle while on the loo? so they know which end to wipe after they have had an eartha kitt!!!
2005 March 13,Mad Mac [username],“Re: Borders rail innk may be going ahead”, inuk.railway, Usenet:
NuLab will give an Eartha Kitt for as long as it is politically expedient to do so, and not a moment longer.
2006, Dave Cox, Gone for a Burton, Matador (2006), ISBN 9781905886173, page 121:
Possession is nine-tenths of the law, he thought, as he settled down for what Stan referred to as an Eartha Kitt. He could hear the others arguing outside as to who would be next in the toilet.
2007, Giles Smith, "Thumbs down as Rodney Marsh gets sinking feeling in the jungle", The Times (UK), 15 November 2007:
Those of us with much invested in a Marsh victory in Australia will note with concern that he is already suffering from the internal complications for which the world's most important in-the-raw celebrity challenge is famous. Or, as Marsh put it: "I haven't had an Eartha Kitt for seven days."
He will be, possibly, the first contestant to be evicted - the ninth loser? - before he has even managed to have had, in his own words, 'an Eartha Kitt'.
2009, Alan Smithie, Sperm, Wonderful Sperm!, AuthorHouse UK Ltd. (2009), ISBN 9781438981581, page 204:
[…] I'm now on a saving-water economy drive, generally helped by taking an Eartha Kitt at work.
Apologies if this makes Tian Tian and Yang Guang choke on today's portion of deep-fried bamboo with salt 'n' sauce, but surely I'm not the only one who couldn't give an Eartha Kitt about Edinburgh Zoo's latest exhibits?
Etymology
Rhyming slang, using the name of Eartha Kitt (1927–2008), American singer and actress.