Acronym for "fuck me or fuck off". An attitude in which if a person is sexually attracted to someone else, they either want to be dating/having sex with them or not associate with them at all, because just being friends isn't good enough.
1. "I'm not doing that friendzone shit, Modwina. fmofo"
2. "So I told Gretchen I don't feel like dating so now she's giving me the cold shoulder. She's such an fmofo."
2. "So I told Gretchen I don't feel like dating so now she's giving me the cold shoulder. She's such an fmofo."
by slasher666 March 5, 2016
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