1 definition by sheertone

Top Definition
Fucking Mother-In-Law.

For when your vitrolic loathing needs to spill forth, but in a tastefully discreet acronym.
"Dude, she's such a bitch, I think she's ready to become the FMIL."
by sheertone March 23, 2006
Mug icon
Buy a FMIL mug!