Top Definition
A helmet (like a bicycle helmet) that has an increased height in order preserve the hairdoo of the wearer.
"Actually its not a helmet, its a hairmet. It's got extra room built in so you don't mess up your hairdoo."
by Adrian E May 09, 2006

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A helmet with extra room built in so as to not mess up ones hair do.
I always wear my hairmet when i go cycling, keeps me safe and my hair looking good.
by .:kev:. May 10, 2006

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
A self grown helmet comprised of ones own flaxen of hair;hairmets can vary from traditional "bowl cuts" to more sharpen, symmetrical varities as worn by Jim Carey in the picture "Dum and Dumber"
Damn, timmy just got stabbed in the head with a pitchfork! Good thing, his blonde hairmet protected him, orelse he would probably be dead!
by Re-J DeeTard December 07, 2003

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

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