Madder than a wet hen 

Used in common phrases by rednecks/ white trash. It means to be madder than a wet hen, and when a hen gets wet; it gets really mad. The term cannot be said the way it looks though. You have to break it up all redneck like. Such as the example.

Jim: Whats up buddy?

You: Man, im madderd n a wet hen! (madder than a wet hen)

Madder than a wet hen by Redneck Guy June 16, 2010