Definitions by BigNig8000

Maddy Muscle 

it is a slang term for your trapazoid muscles on your shoulders. the reason foe this slang term is bacause the first known case of large trapazoid muscles was on a girl named Maddy.

I was lifting the other day and now my Maddy Muscles hurt.

Maddy Muscle by BigNig8000 February 26, 2009