To get ones face rubbed upon by a vagina out of humor or spite. Much like it's counterpart "teabag". Origin : Russel Howard
"If your'e not quiet, I'll be the one Muffeling your face!", said Susan.
by NickSmokes December 19, 2017
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A small hairy animal, usually sent to your college PO box, that follows you wherever you go, constantly insulting you and sometimes scratching and biting your arms and legs. He often causes you to miss school and work, and he alienates all your friends. Often fatal.

See also depression
H: Ooh, mail!
M: What did you get?
H: What the hell is an ibex muffle?
M opens box, ibex muffle bursts out
H (sobbing): I want to die!
by Holly-Day January 26, 2004
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