poncy

I mean, you could tell he was a Pom all right, but he was trying, he didn't sound so poncy any more, …

With sudden interest Morse turned up the volume [of the radio]: the voice was donnish, slightly effeminate. … 'Shert erp, you poncy twit!' he said aloud, got out of bed, pulled on his clothes, walked downstairs and dialled the speaking clock.