Green’s Dictionary of Slang

poncy adj.

also poncey
[ponce n. (3); although this predates but there is no actual link to a pimp or procurer]

1. affected, ostentatiously ‘artistic’, poss. homosexual.

[UK]J. Curtis There Ain’t No Justice 122: That’d been a lovely wallop he had caught poncy Wattsy.
[Aus]J. O’Grady Aussie Eng. (1966) 71: Incidentally, the name ‘Poncy Ponce’ is hilarious to Australians.
[UK]T. Keyes All Night Stand 69: At that moment [...] the poncy Greek-looking doorman hustler stepped out.
[UK]‘P.B. Yuill’ Hazell Plays Solomon (1976) 58: It isn’t easy to put up a confident front [...] when you’re wearing nothing but a poncy dressing-gown.
[UK]F. Norman Too Many Crooks Spoil the Caper 132: A poncey little Italian joint off the King’s Road.
[UK]A. Payne ‘You Need Hands’ in Minder [TV script] 27: You’ll have to phone up some poncey garage with a tow truck.
P. Corris Make Me Rich 101: I’m glad you changed out of those poncy shoes .
[UK]T. Blacker Fixx 47: Poncy Pringle was, [...] removed from office after Jones and Spitteler found him [...] mud-wrestling with a local police constable.
[UK]G. Burn Happy Like Murderers 152: For many years their natural enemy had been the wearers of long hair – beatniks and poncey art-college students.
[UK]Observer Rev. 20 June 16: Their objective was to make food that was ‘poncy’ and ‘revolting’.
[UK]A. Sillitoe Birthday 202: I talked you into getting rid of that poncy long hair.
[Aus]J. Bryant Real Aussies Drives Utes II 104: And no poncy automatic either, like that milk crate on wheels Em had wanted.
[UK]H. Mantel Beyond Black 79: That doesn’t look too poncey.
[UK]J.J. Connolly Viva La Madness 318: Get rid of that poncey stubble and take your sideburns up to the top of your ears.

2. weak.

[UK](con. 1980s) I. Welsh Skagboys 250: Just as well it’s pi.e. heroin] this poncy brown shite; some of tnat white gear [...] would have sent her sailing north of Iceland.

In derivatives

poncified (adj.)

affected, ‘done up’.

[UK]B. Naughton Alfie II v: It really doesn’t suit you, you know Alfie [...] This poncified look you got.