A dirty cajun, from cajunland. They say things like "neow" (now) and "nowlans" (New Orleans). Generally, a filthy cajun can be found in the bayous of "Loosiana" (Louisiana) wearing overalls and trying to catch rabbits with a potato sack to make rabbit stew.
"Let's invite Brandon over for dinner."
"Oh, the filthy cajun? Ok."
"I don't understand that guy's accent."
"That's ok. He's a filthy cajun."