Folie a deux 

The best fall out boy album

Folie a deux

Folie a deux by The White Parade June 29, 2019

foxheart

An insult from the book series Warrior Cats.

Insult used to describe a cruel or evil cat.

Bramblepelt: Whitewolf is a foxheart! She murdered Willowfur!

foxheart by freewifim8 December 26, 2017

Foxkeh 

A promotional mascot for Mozilla Japan to promote Firefox in Japan. A cool fox with a flame on its tail. People can download his wallpapers or use the Foxkeh theme for their own Firefox browser.

I have the Foxkeh theme for my Firefox browser!

Foxkeh by Wek January 17, 2009

Fixie Goon 

A person who rides a fixed gear bike with no brakes , the brakes are their legs. They are usually seen running red lights , pulling wheelies , skidding , etc .

Miggy : look at Fabian , he just ran that red light on his bike

Johnny : yea he’s a fixie goon

Fixie Goon by Pacha May 1, 2019

Foxers 

FOXERS is a loungewear/lingerie company that was founded in 2007 by April Spring. It has grown from the first styles of women's underwear with the men's boxer waistband, to many styles that bridge sleepwear and loungewear.

When wearing FOXERS, you might be asked "Are you wearing boxer shorts?" You can proudly answer, "not boxers, FOXERS!"

Foxers by Foxers October 7, 2015

fomie

A fake homie. One who pretends to be your homie, but actually is not

Paul just snitched on me; he is such a fomie

fomie by Jolister July 31, 2006

old fogie 

An older or elderly person, or someone younger who resembles or has the traits of an older/elderly person in thinking, actions, or demeanor.

"He went home from the party at 9 p.m. What an old fogie!"

old fogie by Cynthia Rupe December 30, 2007