Top Definition
Of, or pertaining to a muff that is so ridiculously large it busts in your face as you try to go down.
Kasia's bush is a muff buster. Kasia's rug muff busted in Justin's face.
by Jenna Tolls April 26, 2006

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A very large penis; a man with a very large penis.
"DAM but the muffbuster on him. I won't walk straight for a week, I swear!"
by SliggX January 16, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt