Top Definition
A geek's condom; Helps prevent viruses
Remember to practice safe hex and use a firewall!
by Daniel March 24, 2005

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A program that defends your computer from malicious users accessing and using your computer either as a port to someone elses computer or to totally mess up yours :)
My firewall kicked that hackers ass last night
by Urban-k September 02, 2003

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When a man with red hair spreads his excess scrotum skin over the face of a woman.
"Chris, I want you to strap me down and firewall me"

"AHHH, You're suffocating me with your firewall!"
by Brock, "Dirty Sanchez," Otten October 04, 2007

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Any of a number of security schemes that prevent unauthorized users from gaining access to a computer network or that monitor transfers of information to and from the network.
My Firewall pwns your face.
by Deceptik0n July 12, 2005

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The Urban Dictionary T-Shirt

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1. STD-infected female genitals.
Don't screw her...that bitch got a firewall.
by CNJACL September 10, 2010

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The Urban Dictionary Mug

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The Urban Dictionary T-Shirt

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The Urban Dictionary T-Shirt

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A secret stash of blow that someone hid so that later in the night when everyone is out of coke you still have a little firewall as a bonus that no one knew about.
"We are out of lines" "Nope I have a firewall."
by Spyda503 December 29, 2011

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The Urban Dictionary Mug

Your favorite word on a white mug.

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The Urban Dictionary Mug

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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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A burning sensation at the end of your penis that prevents pissing
Dude I had to go piss last night but I had a firewall
by musclecarboy247 September 12, 2011

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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).

Buy the t-shirt