7
to stand out from all of the rest, to be the "only one" at something or not common

syn: unknown
in our lives there is at least x factor that is some what a mysterious to us.
by mrmiamian November 10, 2003
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9
Short-lived Marvel comic staring the original X-Men (Cyclops, Angel, Beast, Iceman, Marvel Girl) disguised as mutant hunters. Just another of the endless X-books.
Hey! Another X-title! I better add it to my pull along with X-Men, Classic X-men, X-Force..."
by Sigar Cel November 25, 2003
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10
A finisher used by a wrestler named X-Pac.

X-Pac used the X-Factor to get the pin, but Big Show got up and sat on him, so he turned into a pancake and died.
by ArchDevil November 03, 2003
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11
Someone, who at first struggles though the fans love him but ends up being the savior of the program because of hard work and determination.
One kid that did cross country for Newtown high. He got 54 out of 54 in his first race and then kids started calling him X-Factor because they knew he was saving it all for his last race when he saved Newtown High and finished first.
by TLT (X-Factor) September 20, 2006
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12
A certain unknown quality that is missing from all entrants in talent shows, Any 16 year old wannabe who has her tits out on karaoki and trills up and down the harmonic scales under the sad delusion she is Beyonce, but in reality has no "X-Factor or indeed friends or relatives who can tell her she sucks!!
If you have to enter competitions to find the X-Factor, you aint got it.
by tangocat November 23, 2009
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13
a television series aired on australian TV and maybe other countries. A wannabe attempt at shows such as american/ australian idol.
Person 1: OMG did u watch x factorlast night???
Person 2: omg yes, i hope *insert audtioner here* wins
by Jackie1 September 11, 2005
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