muff 

refered to when some one is in a bad mood or being an asshole. there are stages of muff as well ranging from one to seven, seven being the worst stage of beign a pussy or being pissed off:
1. shaved muff
2. prickly muff

3. flowing muff
4. golden flowing
5. tangled muff
6. puffy muff
7. jungled muff.

guy: hey man shut the hell up.
other guy: hey man your muffs just tangled because i fucked your girlfriend.

muff by bigfish6969 November 11, 2010

Muff 

It is a surname. I think the name comes from Yorkshire and quite a few people from America have it as their last name!

Joanna Muff or Jonathan Muff.

Muff by Anonymous Name April 6, 2007

muff 

A large hairy, unemployed person with abnormal amounts of body hair. Is able to grow beards over night and grow stubble on tongue. The Muff will be able to sustain a heavy amounts of alcohol and protein shakes.

Josh is the mighty king of all Muffs. Peace x

muff by "Beaver" n STEVE June 24, 2007

muff 

A Combination of "Messed Up" and "Fucked up"

I was going to sink that 3-pointer but I Muffed up.

muff by Muff-Diver July 15, 2003

muff 

Half a muffin. Discovered when Glenn College was stingy and only gave us muffin halves, instead of a whole one.

"I'm gonna put this muff in my fridge for later"

muff by orgabulator August 22, 2004

muff 

Muff is to lick pussy

Muff your best friend while i wank

muff by rudi October 28, 2006

Muff 

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.

Muff by Matt Baumann December 9, 2008