Mary Jane
A hot guy, with a big penis. He likes to listen to country music and likes crack or weed, also known as pot. A man or boy with an accent who likes to whestle teddy bears and drink bud light all the time 
Damn!He has a huge dick, and a whestles teddy bears, and has an accent, he's defently a Mary Jane!

His dick is small, he is not a Mary Jane!

That boy is a crack head, he's a Mary Jane!