Anyone who is mummich is known to have the wheel turning but the hamsters not home. Not the sharpest tool in the shed and definitely one beer short of a six pack.
To be mummich is for one to lose all common sense and integrity. Can also affect brain activity. A person can be non mummich and turn mummich at any time but there are steps to return to non mummich
Goddam how mummich is he acting right now.