One
The best Metallica song and the only number that is prime, but not prime.
1.One is the best!
2.One is the best!
by Detranova July 29, 2003

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One
catch ya later!
Eddie: aight man one!
Justin: One!
by naughtyspanker January 06, 2003

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One
The loneliest number that you'll ever do :D
One

One is the loneliest number that you'll ever do
Two can be as bad as one
It's the loneliest number since the number one

No is the saddest experience you'll ever know
Yes, it's the saddest experience you'll ever know
`Cause one is the loneliest number that you'll ever do
One is the loneliest number, worse than two

It's just no good anymore since she went away
Now I spend my time just making rhymes of yesterday

One is the loneliest, number one is the loneliest
Number one is the loneliest number that you'll ever do
One is the loneliest, one is the loneliest
One is the loneliest number that you'll ever do
It's just no good anymore since she went away
(Number) One is the loneliest
(Number) One is the loneliest
(Number) One is the loneliest number that you'll ever do
(Number) One is the loneliest
(Number) One is the loneliest
(Number) One is the loneliest number that you'll ever do
by Oneisthelonelistnumber January 22, 2009

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one
as in One Love...this is used when saying bye to ur ppl
Aight yo i'mma get at u latr, one.
by Ciera` March 21, 2006

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one
Part of 1337 speak. Used by jackasses who want to show that they didn't forget to push the shift key but are using 1 instead of ! just to piss people off.
j00 SUXX0RS !!!!111oneone11one
by Nobody Important September 29, 2004

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One
Short for a United States one hundred-dollar bill. This "slang" term (as it is not widely accepted enough to be considered a colloquial expression) is more prevalent among wealthy citizens, socialites and more recently those within the hip-hop cultural movement. Its use in a social context is meant to openly diminish the value of a one hundred-dollar bill to its possessor, so as to say the possessor's financial worth is so great that the highest paper currency denomination to them is equivalent to the actual lowest; i.e. a $100 bill to most is a $1 bill to the possessor, and as a result is considered a "one".
"To invariably experience an erotic dancer's best striptease, spectators should expect to throw some ones."
by jasonphilip September 15, 2011

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One
The number of ring(s) that rule them all.
The one ring to rule them all....
by HappiSamurai April 29, 2010

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