Top Definition
To wipe all of the information off a computer and reinstall the operating system.
I've gotta reformat my computer; it just has too much junk on it.
by Meekong February 15, 2005

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When you need to reinstall or reformat a whole hard drive. This many happens to horny people who use there computer as a viewing screen for PORNO, and more PORNO. This is when the porn you are looking at in laced with spyware and you need to reformat the hard drive to fix the computer
Zach had to reformat his computer since he looked at porno all day.

Zach loved the porn, but downloaded spyware that he thought was pron and had to reformat he's crapy pc
by madJesus January 26, 2008

The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Lotsa space for your liquids.

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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

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The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

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The Urban Dictionary T-Shirt

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

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To wipe out all information, including work and harmfull file types, and restore your pc to its original condition in which you very first brought it and opened it.
Gekotec: I reformatted my pc. It had so much virus and spyware on it, i just had to wipe it clean. Dude, it runs so fast now.

SloppyJoe: Yea man, my computer needs some reformatting.

Janice: You can do that? I just brought a new pc. 5% off!!!

SloppyJoe/Gekotec: Oh, Boy.
by Kyaa! July 30, 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
To give someone a good beating; to teach someone a lesson by using force.
"Fool, I'll reformat your ass if you don't shut the fuck up"
by Ivna June 24, 2005

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