noncy

adjective2

1. •
   (slang, offensive) Resembling or characteristic of a nonce, or sex offender.

   • He was a noncy guy. […] The nonce whispered something in the kid's ear, squeezed his arse, and got his face opened up from ear to ear. — 2011
2. •
   (UK, slang) Pretentious, affected, fancy.

   • Yeah, he’s getting a bit noncy, ain’t he lately? I seen him walking down the high street the other day with his Filofax held up in front of him. — 1989