It is basically another way to express acting or being homo/ a lesbian. Usually used in a jokingly manner, it has no intention to offend anyone.
Girl 1: Dude, I hella love you.
Girl 2: I love you too!

Girl 1: Damn, we're pretty homo.
Girl 2: I know. The world must accept our lesbianosity.
by Kooladriagurl July 19, 2009
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