Its funny what happens when you translate French names.  In its original French form it was “Chemin Couvert.”  This in English translates to Smack Cover. The Post office shortened the town name into one word and removed the redundant "c."  If I was the mayor of this town, I would give tourists an opportunity of being smacked on camera and then they can show all their friends that…

 … I got smacked in Smackover!