Skip to main content
Fibrodysplasia Ossificans Progressiva
1.) A severe disorder that causes connective tissue and muscles to ossify (Turn into bone). Malfunction of body's repair mechanism ultimately turns skeleton into solid shell. It is diffucult to predict where and how bone will grow. Life expectancy never exceeds 40 years.
oh man, your muscles are turning into bone, you must have FOP
FOP by Jimmyzblahzhaz February 16, 2009
FOP mug front
Get the FOP mug.
See more merch
Related Words
fop FOPA fopo fope fopdoodle Fopoon Foppish fopar foppa fopping
Short for "Futaba on Poemi", referance to Puni Puni Poemi.

It is used as a Lesbian term.
Ugh, Tee was all Fop on Mar-col
Fop by Bishmilla July 12, 2004
Fucking Old Person- noun
1. The FOP drives like Mr. Magoo.

2. Is that FOP running for President again?
3. In jest, my late fathers screen name FOP1927.

old fart old fuck asshole assheimer old geizer dickwad
FOP by Vir-sinya August 7, 2009
Plural form - fops. Grown men who still reside in their parents basement; likely unemployed and sexually/socially inactive. Likely to be seen in a trilby, duster jacket, and fingerless gloves. Ardent defenders of waifu culture. Lack of social skills, awkward presence, and cringey public behavior define them; Such actions are but are not limited to wearing of risque anime T-shirts , use of "M'lady", and pursuit of women through means of aggressive friendliness. Warning signs you are in presence of one are but are also not limited to use of incorrect Japanese, excessive knowledge of 4chan, and the possession of a Guy Fawkes mask.
"I met this 30 year old guy wearing a Love Live t-shirt and Sketchers. He called me kawaii. What a fop"
Fop by KirinJP March 2, 2017
when you fling flap your fling florps
why is onii chan fop
fop by Carl the autism December 19, 2017
In more official terms, FOP stands for Final Operation or more colloquially known as Fuck Off Party.

The FOP is the final event that is held for a well known acquaintance before they move away permanently or from a section from their life if seen fit. Normally the Hate Game is played
Person 1: Did you hear that Michael is moving abroad after he finishes his course?
Person 2: Really?!? We need to organise him a FOP before he goes
FOP by ghirlinu January 27, 2020