An annoying wrongdoer. In the ranking system where maynes are at the top followed by goons, poons are at the bottom. This term is generally found in the South.
1) v. To ask for something immasculine in a masculine way
2) n. Pussy, Sex
3) n. Wuss, Mooch. One who borrows more money than will ever own in his life
1) Can I poon a ride home today?
2) Did you get any poon from that girl last night?
3)You're such a poon! You mooch off of everyone!