French leaving?

Question

French leaving?

Answer 1

Just to add a point to Rilifan's excellent (as usual) answer, in French it's called "filer à l'anglaise" i.e. English leaving.

Answer 2

"French leave" refers to the act of leaving a party without bidding farewell to the host.

The term is also used to mean the act of leisurely desertion from a military unit or to go away or do a thing without permission.

The latter uses are part of the pattern of ascribing negative behavior or unpleasant or immoral things to persons from a country with which you have a bad relation.  thus homosexuality has been referred to as "the English disease" and a unfeeling relative called a "Dutch Uncle."