Eurocreep

noun2

1. •
   (old-fashioned) The spreading use of the Euro as currency in countries that have not officially adopted it.

   • Drew warned of the danger of "Eurocreep", ... — 2002
2. •
   (disapproving) A proponent, in the 1980s, of closer ties between Britain and the European community.

   • 'John doesn't speak any French', explained the wife of one highly-placed British Eurocreep, 'and his secretary is French, so of course that makes things quite difficult for him.' — 1983