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.
Emmmieによって 2007年04月01日(日)
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
Mrs. Kaulitzによって 2008年08月13日(水)
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!
limeeeによって 2007年03月30日(金)
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