Possum Nipple

Alright listen up, you dummy. This joke is all about stereotypes. It's saying if a possum ripped your nipple off, you're probably a redneck. Why? Because rednecks are often associated with living in rural areas and having wild animal encounters. It's funny because it's unexpected and plays on those stereotypes. You probably don't know what a stereotype is. You should google it, I'm too lazy to explain.