FMF can also refer to "fill me full". As in group sex or orgy. When I mentioned it to a female friend she said to her it ment fuck me forever.
I learned this off Craigslist. A female had FMF DP. As in fill me full double penetration.
by To E Z March 05, 2021
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Guy1: I gotta go outta home fmfs

Guy2: Damn dude you should've told me earlier
by why she is taken! February 21, 2021
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