A MMF threesome is a threesome that involves two males and a female, and includes bisexual play between the two men.
A MMF threesome is a threesome that involves two males and a female, and includes bisexual play between the two men.
There are basically two different types of threesomes: a threesome where there is bisexual play between the two individuals of the same sex, and a threesome where there is no bisexual play between the individuals of the same sex. An acronym in which the letters signifying the same sex are placed back to back (FFM, MMF) indicates a threesome in which there is bisexual activity. An acronym in which the two letters are separated by the letter signifying the opposite sex (FMF, MFM) indicates that there is no bisexual activity. A MMF threesome involves male-male sexual play, whereas a MFM threesome does not include male-male sexual activity.