A female who is very much unaware of their homosexuality, and is basically a lesbian, but just doesn't realize it.
Person 1: Why does Marika get so nervous around other girls? She blushes and gets so fidgety around them.
Person 2: Dude, she's an unconscious lesbian.
>ex2. She's going to lesbian (or to a lesbian)(meaning she's visiting a lesbian friend or turning into a lesbian - indifferent which of the two you pick)