Definitions by SUSFU

mipping and mupping 

Old US military slang for garbled audio in AM communications. Also adopted by civilian AM radio operators to describe the same phenomena. In common usage from 1940s to about 1980s.

I could barely make out his message for all of the mipping and mupping.

mipping and mupping by SUSFU February 12, 2021

AYH 

Are you high?

That's dumb as Hell, AYH?

AYH by SUSFU October 19, 2019