A fork of Rural Dictionary
Chill, awesome, cool, laid back, and everything that goes with it.
Patience is like the coolest chick ever, I've never met anyone as copasetic as her.
Good; under control; five by five. Applies to things or situations exactly as "simpatico" applies to people.
I started to worry when Aloysius started down the California St. hill, but he assured me everything was copacetic.