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A fomi is a abbreviation for figment of my imagination.
Something that you are imagining, or pretending that is real.
Kayln: Hey Brantlin who are you talking to?
Brantlin: Oh, a fomi.
Tanner: Whats that?
Brantlin: A figment of my imagination.
Ryan: All of you are fomi's!

Pronounced: foe-me
by Midlothian HS Panthers November 10, 2009
Figment Of My Imagination

used when describing something or someone out of this world. usually used when in awe or disbelief.
wow, that girl is a F.O.M.I. holy ishh
by zwagger February 21, 2011