Meaning of FMF ??

[FasstMidnightZ]

What does FMF mean

....flying machine factory ??

[YFZ450Ridr]

my guess is ''flow more freely''

[gratzracing24]

its "flying machine factory"...but another 1 my friend always says "fast mother f*ckers"

[Punk'd]

Farting Machine Fans?

or

Farting Moose Fights

[Hondadudeehhhh]

on one of my t shirts it says 'flying machine factory"

[SRH]

its flying machine factory

[bansheeguy77]

frequent motor failure :p