Top definition
A very big poser that just acts a fake way thats not then at all to get attention.
Brittney Spears trying to be emo, if she ever did that she would be Fake O.
by Emmmie April 01, 2007
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2
Someone who acts very fake.
They pretend to be a friend, or pretend to act for other loyalites.

However, by calling them a "fakeo" ensures that this is not meant in hurtful way, its a less harsh more funnny way of letting someone know they are FAKE
amanda: Omt.
That girl is such a fakeo

tom: haha, yepo
by Mrs. Kaulitz August 13, 2008
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3
Someone who is fake out the ass or known as a poser.
Dude,look at that cheerleader-she was goth yesterday-and nerdy Wednesday-she's such a Fake-O!
by limeee March 30, 2007
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