The icky stuff in ones ears. Also referred to as ear wax.
Dude...you've got some SERIOUS mugwamps in your ears!!
by RedKitten and the Plastic cats August 10, 2010
Someone who is similar to an ogre, often large and dimwitted. They also appear dumb.
That lady who chewed down that tree was a total mugwamp!
by Juan Jose March 28, 2016