Extreame messup, "To fuck up something", to blow something (hahahaha not tht way You no waht we mean)
Oh watta Muff!!

Dude you muffed that pass!

Oh MUFF
by Lil Nait234 January 18, 2010
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a replacement word for: drink, drunk, beer, pussy, any other drugs, and so on. pretty much is a way to keep what you're doing in the dorm room private and anonymous to the passer-by's in the halls.
Let's muff. Grab me a muff. Dude, you're muffed.
by Matt Baumann February 3, 2007
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An alternate and parent proof word for the "F" word. You can use it in all contexts and forms.
I'ma beat his muffing butt.

Baby, we are going to muff all night long.

MOTHER MUFFER!

Oh yeah? Well, muff you!

It's muffin cold out here.
by xoxo coco loco oxox December 4, 2010
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a pouffy area often frequented by "Z"
Can I see the MUFF please!!!
Going to the cocomuff to get muffafied!
by Brown beauty February 26, 2003
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A sex position where the man pops a chocolate muffin on the front of his willy and proceeds to anally pound a woman, afterwords eating the muffin/shit mixture out of her bumhole.
Woman 1: Tyler and I Muff Muffed last night, it was so hot.
Woman 2: Daaaaaaaaaaaamn, did it hurt?
Woman 1: Nah, he's got a chode so it wasn't too bad.
by A Slightly Gay Straight White February 22, 2016
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Muff to me, is, something that is very undesirable. Also, something that is considered garbage or worthless.
"Did you see Batman vs Superman? It was compete muff, I wouldn't wish it upon my worst enemy."
by Poos Yoosy August 1, 2017
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The process of organic miasma dispersing into the surrounding atmosphere
"I've just farted, I think it'll muff"
by OilyVegans May 28, 2019
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