Flido 

The opposite of a glido. It is an unhappy face made by lights and a ceiling fan on popcorn ceilings.

The flido in my living room was scaring me the other day, so i went to look at glido.

Flido by Henry Michealson June 18, 2009

Flipoppositify 

a mathematical word created by Mr. Kleine that describes when you start with an inequality as written, then flip the inequality symbol and change the sign of the number opposite to the variable to either positive or negative.

"whoa, do you start with the inequality as written and then flipoppositify??"

Flipoppositify by foothill's griffin October 15, 2017

Semper Fido

mutation from the Latin meaning "always a dog", always being a dog, always base and self-gratifying, always begging handout, freebees, sex, gratuities. Always "dogging it".

When Zeb related to ladies and friends in his base self-serving way he was "Semper Fido" - always doglike.

Semper Fido by jim christ December 28, 2007

flipoffism 

The practice of regularly employing the bird to express emotional content.

She is a dedicated practitioner of unharnessed flipoffism and clearly doesn’t care who is offended.

flipoffism by Dr Bunnygirl April 3, 2019

fidonk 

The physical act in which a male grips his cock in his hands and smacks the female in her face. Can also slap another male's face. Back in the Roman times, it was very common for a male to show displeasure of a concubine's felatio by fidonking her.

James Spader and Kevin Spacey can often be found fidonking each other in the showers.

fidonk by Figgins March 26, 2007

Fidolo 

Solo, alone, single

I leave my crew at the crib and roll fidolo.

Fidolo by Star September 29, 2003

Fido 

A Dog thats warm hearted and brave. Although can be clumsy at times , still quite smart. A Loveable character.

"He seems like a Fido!"

Fido by Shah5ive February 26, 2017