1 definition by Derek Dakota

Top Definition
five nines, as in 99.999%, something that is the absolute best in category. better than anything else out there.

For a geek, "five nines" means 99.999% uptime for your server, less than five minutes per year. For humans, it's something that's just over the top good all the way around with a big exclamation after it.
Your new girlfriend is fivenines. Nice one.

Did you see that movie with Val Kilmer? It's fivenines.

Your car rocks, it's fivenines.

Urban dictionary? It's fivenines.
by Derek Dakota August 21, 2007

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