civil war
a mother fucking oxy moron.  Or, sectarian violence fought between different factions within a single country.  
"I don't think that the conflict in Iraq constitutes a civil war, because if it were they would be fighting with polite words, not bullets and hand grenades," said Gretchen.  
"That may be true, but how about the American Civil War," questioned Jenny.  
"It wasn't very genteel either." -Gretchen  