Plaggy means: Slang term used to describe plastic in North England. It is used extensively in Yorkshire, Humberside, and Teesside as well as Merseyside. (in Community Dictionary, added by Chiliad)

What else does Plaggy mean?

  • You can use something that isn’t useful in any context, even in North East England accents like Middlesbrough. (in Community Dictionary, added by Kittiwake)