A muff mask is the name for a beard that was buried in a pussy long enough to retain the scent of said pussy.
Please remove the muff mask, Sal. It's almost time for supper.
Similar to a teabag, it's when a girl opens up here vag and places it on somebody's face, specifically their mouth.
Chris got muff masked while he was sleeping last night.
The female version of teabagging.
She pawned her enemy, and to establish dominance she began muff-masking his dead body before he respawned.