* South Carolina: You could go for something like "S.C.A.R.E.D." (South Carolina Always Ruins Everything Delightful) or "S.C.H.O.O.K." (South Carolina Honestly Overwhelms Okay?) But those might be a bit cheeky!
* Super Cool: This one is easier. "S.C.O.O.P." (Super Cool Out Of Place) or "S.C.O.T.C.H." (Super Cool Obviously Totally Cool Here) could be playful.
* Something else entirely: What is SC referring to in your situation? If you tell me, I can maybe come up with a funnier abbreviation!
Remember, humor is subjective. What one person finds funny, another might not. Use your best judgment based on your audience and context. 😉