FF

An acronym for forever flat (breast)

She will all ways be
FF

by Duane427 August 4, 2019

FF

Fat Fuck

Brez: WOW, these brownies are BAHM
Me: Easy ya FF its not a cock

by Guy S. January 10, 2010

FF

a large orgy also known as "fuck-fest" (thats the FF)

I am so ready for ff'07!

by bob dob January 17, 2007

FF

Furiously fapping. To be used when you say something so amazingly great, that isn't usually of a sexual nature, it deserves a hard wanking session.

Just heard Jay-Z and Kanye West's new album, FF.

by turdface42 August 8, 2011

FF

Inserting of one's fist into another persons bum hole.
Often gay men. Often use drugs to get to that level.

FF - Bb - Sub boi

Translates
Put your fist in me, your penis included, I will basically do what I'm told as my parents were mean to me and I need discipline

by Lukatar October 1, 2018

FF

Fucking fierce.

That woman is FF.

by laumarshmallow December 19, 2008

FF

favorite friend

I went shopping with FF today

by pattyshychen April 8, 2012