Muff (M.U.F.F.) - Mandatory Ugly Fat Friend. Something that follows every hot girl in order to make it difficult for you to enjoy your time with your hot friend. They are never enjoyable to be around; a muff's only purpose is to make it difficult to game on the hot girl you like.
You: Man, I'm definitely hanging out with Marissa tonight!
Friend: Too bad her muff will be with her!
You: Are you serious?!?!? I hate Brenna! She's definitely going to Cock Block
Friend: No one likes a muff...
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A.)A group of tightly close friends in a clique that everyone can be around ;).
B.)A group of friends consisiting of 5 females that are considered "badass"
"Muffs are the shit."
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Like in the car commercials for Carfax where it has the information on the car like how many owners wrecks and problems. Muff Fax is the info on a girls muff and how many "owners'' or problems like std's or anything undesirable.
Alex: I wonder how many guys she has been with?
John: We need to get some Muff Fax!
Noun
An immensely powerful gust of wind which is excreted from the vaginal cavity which causes widespread chaos, famine and general ludicrous emotional distress to other humans and animals alike.
A long time ago a Muff Gust created the Sahara Desert
noun. A dong appearing mound under a girls panties or swimsuit created by an abundance of pubic hair
Check out that girls muff dong
It is another name for an erect penis
My Muff Musket is loaded and ready to be touched off
A group of hansome men who smash pussy and drink alchohol like water.
Omg muff militia men are so savage.