"Out there by post numbah foahteen, where I wuz yesterday, there's a lot of Yanks who jest jabbered away all the hull time, and I hope I may never see the back of my neck ef I could understand ary word they said, Are them the regular blue-belly kind?".    From Wordnik.com.  [Andersonville — Volume 4] Reference

I ain't seen such a lovely, lovely sight since I had me a chance on the river at that blue-belly supply ship! ".    From Wordnik.com.  [Ride Proud, Rebel!] Reference