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One of it's meanings is a league term for Forfeit. It's commonly used as a league term meaning to surrender, also because to surrender one of the commands can be /ff
"FF at 20 please, our jg is so bad report him for unskilled."
by YinTheSinner October 19, 2015
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FF means many things, some already said, I might (most likely will) repeat.
#1. Fist fucking- the act of stuffing a fist up a pussy *owch*
#2. Foot fucking- a type of masturbation that women do to their male partners dick.
#3. Final fantasy- a game played by geeks, such as my boyfriend, that I should probably learn to play.
#4. Fan Fiction- a type of writing that uses already made characters from books and movies and such that have sex, also called slash... gay LOTR ones at www.libraryofmoria.com.
#5. Father fucker- a person who likes to fuck their dad/friend's dad.
#6. Fucking freak- ... me...
I think I've made myself clear.
by MizMilenko May 27, 2004
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Stocking fetishist abbreviation for old-fashioned stockings from the 40's and 50's that are knitted flat and sewn together leaving a distinctive back seam. Authentic full fashioned stockings also have a top welt made by doubling the fabric over and sewn with a small hole in the back seam called a "finishing hole".

Look, it matters to you if it matters.
"Hi, baby, are you wearing your FF stockings and your CFM pumps? I'll be right over for a little soft-core CBT..."
by Axel von Auersperg August 24, 2005
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5
heres all the definitions for FF:

freindly fire
Fire fight
Flying fuck
Flaming Fist
Frostfire
fortissimo
focus fire
Front Wheel Drive
Forum faggot
Freedom Fries
finds funny
False Friend
Fake fuck
Foot Fucker
Fucking Fool
Fan Fiction
Final Fantasy
Front flip
fun fuck
Fucking freak
Father fucker
Fist fucking
Fat Fuck
Freshly fucked
Fatal Fury
Final Fight
Front Engine
Bob: FF!
Joe: False Friend?
bob: no
Joe: Fire fight?
bob: NO
joe: Forum faggot?
Bob: No, noob
Joe: Front flip?
Bob: wait it was the second one...
by Is this name used? August 07, 2006
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