-An annoying person who thinks they are your homie, but in reality they are not.

-A person who pretends to be your homie, but on the real is using you for something and is not your homie.

Derives from the contraction of the words fake and homie.
Don keeps following me around, trying to hang with me and my crew. What a fomie!

Jose and I were hella tight for a week, but then he asked to borrow my credit card and he stole my identity and left the country. What a fomie!
by Radio Raheem August 02, 2006
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