fiance fifteen 

the fifteen pounds that many girls lose between their engagement and their wedding.

look at that skinny bitch! she's lost a lot of weight since she got engaged.

well, you know she can't fit in her wedding dress without losing that fiance fifteen. she bought a size 2.

fiance fifteen by wesleywhatwhat July 13, 2010

Fiftee3 

Famous Youtuber that loves monkeys and kisses his cat nonstop until his lip bleeds

OMG OMG OMG ITS FIFTEE3 OMGOMGOMG NO WAY

Fiftee3 by zrainn000 December 31, 2021

fitter

The British version of Hotter.when fit (hot) is just not enough.

My girl is so much fitter then yours!

fitter by Natedavis March 9, 2007

fittesnig 

A fittesnig is a person that rape womman when they are dead or unconscious, He does this by sneaking his peen (pipi) in her vagina.

You are a fucking fittesnig

Norwegian: Jævla fittesnig

fittesnig by Fittesnigen sjølv October 22, 2019

Fold a Fitted Sheet 

The act of fitting a large Penis into a tight Vagina. Typically uaed to reference the Homemaker or Librarian who you suspect would unexpectedly good in bed.

That Librarian looks like she could fold a fitted sheet.

Fold a Fitted Sheet by Coopdaville1985 June 7, 2018

fitneek

A word Ksi used ro describe himself

Ksi is not a fitneek he is a fatneek

fitneek by BEARUS709 December 30, 2020

fittebanan 

The vagina of a banana

Shit nigguh thats some fine fittebanan

fittebanan by ffkdbfkgbfcg January 27, 2014