The middle bottom is the name of the middle bottom possition in a 4 man homosexual pile up. Usually a male that enjoys top and bottom action simutaniously.
The fluffer bottom is an alien who is sexy except for his "fluffy" (aka slightly fat) butt and likes straight guys
GIRL: That boy is so sexy... too bad hes a fluffer bottom...
OTHER GIRL: whats that mean?
GIRL: hes so hot.. but has a slightly fat butt... and only likes that one guy whos dating the that one girl
Term to describe a gay male who can't get enough anal sex (receiving), either from another person or from dildos and other sex toys. Usually the rougher the better.