1) To be a citizen of any country considered to be Europe, or anyone born in the westernmost part of Russia that is considered to also be in Europe
1.5) To be an Idea born of Europe
2) (Mainly US.) To do something romantic and impulsive.
3) (Mainly US.) To wear attire that is cosidered "European"
1) Caucasians are of european descent.
1.5) Planes, trains and automobiles- 2 out of three are european inventions.
2) A kiss on the hand may be quite continental...
A fuck in the street may be quite european...
3) This skimpy swinwear looks european.