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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 25, 2004
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