For women only.
Slang mainly used on internet forums and refers to celebrities women (both straight and not) gravitate towards. It's rarely if ever used in real life conversations.
User 1: I really like anne hathaway
User 2: back off! she's fwo
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Literally "serious(ly in) love".
Term commonly used by fans of japanese idols to refer to other fans that are actually in love with the idol they support.
"I truly think Sasaki Kumi and I would make a good couple" "holy shit! you're gachikoi, aren't you?"
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