Invented by Hollywood Adam From the superior podcast Nobody Likes Onions, this term was made to describe good looking female fans of the show. A shameless rip of of MILF, (Mom Id Like to Fuck) this term is used on a regular basis amongst the fans and presenters of the show.
A Very attractive overweight women extremely confident dresses pretty nice. F.I.L.F's are usually only 20-40 pounds overweight there in the chubby category.Most guys will admit freely without being embarrassed they got laid by a F.I.L.F.
Joe:I'd totally bang her even though she's a fatty.