Top Definition
31 days of shaving everything off of your face except a disgusting mustache. Similar to "No-Shave November" and "Decembeard"
Dan's looking a bit like a pedophile lately, isn't he?

Yeah. I guess he took Mustache Manuary a little far this year.
by Ckleeb December 12, 2009
8 Words related to Mustache Manuary

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