the act of backing out of conflict, out of nothing other than sheer pussiness. This is a reference to the french and how gay they are when it comes to wars. they really are very gay.
Joe: you think killer & phillip will fight?
Bill: nah, i can see killer pulling a froggy
Joe: why's that?
Bill: he's french and as a result it is in his genes to run away at the first signs of danger.
Joe: bloddy french