Acronyms dictionary MFF What does MFF mean? In the furry community, MFF is an acronym standing for the Midwest FurFest, one of the largest furry conventions in the world. In pornography, MFF is a threesome involving a male, female, and female. Related words: furries yiff e621 threesome Examples of MFF #QOTD - if you find out the couple in the MFF/MMF book are swingers, do you give up the read? @RealDarkinferno, May, 2018 You know you’re at a furry wedding when one of the grooms is talking about how hard it was to book a room for MFF an hour before getting married. @BoozyBadger, May, 2018 Im gonna say if you're not a fan of the 5min walk of the other nearby hotels at MFF, then Anthrocon is not a con for you if you're not at the main hotel, lol. Some are a 15-20min walk, at 3am in fullsuit with no skywalk luxary that MFF has.. Just saying. @misswolfiee, May, 2018 SEE MORE EXAMPLES Just Added shelfie, ACAB, yeet, Karen, BIPOC Note This is not meant to be a formal definition of MFF like most terms we define on Dictionary.com, but is rather an informal word summary that hopefully touches upon the key aspects of the meaning and usage of MFF that will help our users expand their word mastery.