A person, especially a politician, who is considered to be excessively enthusiastic about membership of or increased cooperation with the European Union or its predecessors, a Europhile.
Origin
1960s; earliest use found in The Guardian.
Definition of Eurofanatic in US English:
Eurofanatic
noun
British derogatory
A person, especially a politician, who is considered to be excessively enthusiastic about membership of or increased cooperation with the European Union or its predecessors, a Europhile.