1. A pothead's way of saying "nothin".
2. Shortened version of mother fucking.
1. Dude: Hey what you doing?
Pothead: Muffin... *laughs uncontrollably*

2. Dude: Hey I just smoked all your weed.
Pothead: You muffin bitch! Now I have muffin else to smoke.
by D-Suicide May 20, 2008
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That little girl is such a muffin, I would just love to pinch her cheeks.
by Catie123456 January 25, 2009
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the freakin' best kind of pastry ever made. comes in various flavors like plain, strawberry, chocolate chip, blueberry, cinnamon
strudel, etc.
dude1:hey, dude2! whatya got there ?

dude2:a muffin. its quite delicious
by frosted flakes. April 11, 2009
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a young female's vagina, most often shaven. The word was once used by Steven Tyler (Aerosmith) in the 'Walk This Way' hit song. It's still popular among its greatest fans.
Ya ain't seen nothing til ya down on a muffin.
by trank April 15, 2008
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A term used when something does not go your way, you forgot something, you lost something, or can't find something.

Often used as an expression of frustration. Can be substituted instead of a curse word in front of children.
Aww muffins, I forgot her birthday was today!

I can't find my keys! MUFFINS!
by Shark Farts March 17, 2010
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The most godly kind of baked good in the entire universe. Comes in many different flavors: lemon, blueberry, chocolate chip, apricot, banana, bran, fetus, raisin, cinnamon, oatmeal, and many more!
innocent bystander: "Dag, yo, I needs me a muffin."
muffin man: "Gee, I gotz da best muffinz eva. Gimme money."
by Kitty September 29, 2005
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