An adjective used to describe someone who has said or donesomething that displeases you. Can only be used in the southern part of the U.S. It really has no meaning except for intimidation.
Person: "I don't believe in god."
Christian from Alabama: "You listen here you mucka chucka non-believer!"
Mucka Blucka is the 1st of 2 bonus tracks on the album Marvins Marvelous Mechanical Museum by Talky Hall. It’s a gangsta rap song comprised entirely of chicken noises.