Incredibly good browser overflowing with useful features from the good folks at Mozilla. Tabbed browsing, a near-impenetrable popup blocker and general awesomeness compounded by the fact that you can add just about any feature you want using Firefox's plugin support make for a browser that simply trounces anything else.

The only flaw is the name. They ought to call it Firebox because that'd be seriously awesome.
I can't believe how utterly awesome Firefox is. And yet, if only it were named Firebox, it might be ten times awesomer.
by Spazmo May 30, 2004
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Firefox
Noun

1. The Best open source web browser of all time.
by Legoexpertssf October 5, 2008
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Used to show people what shit Internet Explorer really is.
Damn, that browser is ownage compared to IE.
by Dan February 19, 2005
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A new way to browse the web. Created by Mozilla to compete with IE, automatic pop up blocking, and virus protection are just two of the many dandy little things this baby comes with. You are not forced to make due with only a few things that automatically come with the browser. You are in complete control of it, and many extensions are available for it, including a handy little toolbar extension that has a google search on it, wikipedia search on it, ebay, yahoo, urbandictionary, and many others. Clean layout, makes IE obsolete.
Firefox: internet the way it was meant to be.
by wendyg June 8, 2005
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The best web browser out there. If you are using IE and are reading this slap yourself. It has great features like tabbed browsing, pop up blocker, and most improtantly its fast as hell.
Firefox ass-rapes IE
by The McManus April 16, 2006
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A better version of Internet Explorer made by Mozilla. Quite possibly the most 1337 web browser in the world.
by 1337 |-|4x0|2 August 20, 2006
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fag: LOL I <3 INTERNET EXPLORER
cool guy: suck it and get mozilla firefox
by hw sucks September 16, 2006
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