A person who noone likes in a group of friends. Related to the word papaya because no one likes papayas. They aren't hated, but everybody picks on them for every little thing.
-"Dude, I really think that carl is the Mpapanya in our group. I think he should go back to ice fishing"
-"Yeah, all he talks about is dragons and cowboy hats."
-"Ohhhh yeah! I love to speak in a southern accent."
-"Knut, shut up, you dumb mpapanya."