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An abbreviation of the year 2010. It follows a pattern that started in 2000 by abbreviating the year 2K, then 2K1, all the way until 2K9. In order to keep the term 3 characters long, though, X, the roman numeral for 10, is used instead of the actual number.

2KX, aside from the X, has NOTHING to do with Roman numerals. Writing 2010 in Roman numerals would give you MMX.
Some person may think it looks cool if they write 2KX, even though companies who made the "2K" saying catch on are just going with 2K10 this year.
by linebeginstoblur January 01, 2010
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Nov 27 Word of the Day
A stupid person; it refers to the lack of surface area on an individual's brain. The general thought is that the more surface area (wrinkles, creases, etc.) a brain has, the smarter the person is. Conversely, a person with a smooth brain (no wrinkles) has less surface area and would therefore be stupid.
That fucking smooth brain put his shirt on backwards again...

That smooth brain is dumber than a pile of shit.
by Tip Tank May 14, 2011
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Whoever put the definition saying K is the roman numeral for 1000, you fail.

Shame on UD for putting up this definition as word of the day, now we're probably gonna have people thinking the roman numerals are I, V, X, L, C, D, K.
2010 in roman numerals is KKX! Or is it 2kx?
by Your pseudonym! already used January 01, 2010
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Something some fucking idiot put on here saying that K in Roman numerals means 1000, while it is in fact a metric abbreviation for Kilo, Latin for -thousand, not one or specifically any numeration of thousand(s), simply the prefix "-thousand"

Also 2 is a standard Arabic character, fcunt.
"Hurr I'm a fucking retard and don't know anything durr 2KX is all Roman furr hurr durr curr shurr"
by futtbuckers January 01, 2010
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2KX is an abbreviation of the number 2010... where 2K refers to 2000 (K being the scientific notation of 1000) and X is the Roman numeral 10.

Note the roman numeral for 1000 is M, so 2MX, MMX and KKX are equivalent.
Example 1

"Welcome to this extravaganza to see in the new year, 2KX... yes 2010 is finally here after a whole years wait!"

Example 2

person 1: Did you know that 2KX is the roman numeral for 2010.
person 2: Actually, that would be MMX. 2KX is a mixture of Roman and engineering notations.
person 1: So the definition of 2KX on UrbanDictionary was wrong?
person 2: Yes, whoever wrote that was a muppet...
by MrZoolook January 01, 2010
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A retards idea of Roman numerals. And if you voted up on his definition, you're probably a retard, too.

2KX is made up of Arabic derived numberals, plus an initial (ie abreviation) of a Greek word.

Hey, some idiot wrote '2KX' on UD claiming it was Roman
by uuuiiiiiiiiiiiiiiiiieeeeeeeeee January 07, 2010
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An abbreviation of the year 2010.
2k is the scientific notation for 2 kilo, or 2000.
X is the roman number 10.
Hey, we're living in 2kX
by Band B January 01, 2010
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