Southern Jessy Share definition Flag An insult used by those from the north to refer to people from the south, implying that they are cowardly. shall we go swimming in the lake?no it's too coldyou big southern jessy Southern Jessy by I'm right, greek boy June 9, 2011 0 0 Get merch Get the Southern Jessy mug. Buy Now — $32.95 See more merch