I'll bite. My two favorites:
I'm saying this is the South. And we're proud of our crazy people. We don't hide them up in the attic. We bring 'em right down to the living room and show 'em off. See, Phyllis, no one in the South ever asks if you have crazy people in your family. They just ask what side they're on.
and
Suzanne, if sex were fast food there'd be an arch over your bed. (This one was originally used in Linda Bloodworth-Thomason, Dixie Carter and Delta Burke's earlier show,
Filthy Rich.