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A badass irish mythological mercenary band led by first by Cumhaill (cool), then Gall Macmorna, then Fionn Maccumhaill (fin mac cool), and finally Oisin (oh shin).
High king#1: You better run before the fianna get our asses.
High king#2: yeah, the fianna will get our asses. They are so badass.
Fianna by Cleomenes January 15, 2021
Related Words
the most caring person I’ve ever met. I miss her so much! she had a bubbly personality and very outgoing.
Fianna was the bestfriend id always have
Fianna by linseyrose January 25, 2022

fianna gail 

fianna gail by Ray September 20, 2003

na fianna 

irish word meaning warrior or beast
that glen lad is a man of na fianna
na fianna by billotelli December 4, 2013

Salty Fianna 

To piss in a bowl, pick up a turkey baster and suck the bowl dry. Then to insert the turkey baster full of piss in a chicks ass while your fucking her.
Hey Kota i want a salty fianna so can you squirt some piss in my ass with a turkey baster? Thanks babe.
Salty Fianna by Dusean October 5, 2010
Damn, your fish is such a Finana.
Finana by PomuHub August 19, 2021
More from Urban Dictionary
A girl who does ballet and only talks about ballet. Her schedule is filled with dance classes which does not allow her to do any other activity.
"Hey, do you know that girl Sally?"

"Yeah, she's kind of annoying. All she ever talks about it ballet."

"Wow, what a Bunhead."

"Hey Sally, you want to hang out this weekend?"
"I can't, I have dance."
"You're such a Bunhead."

"Yeah... I know."
Bunhead by Jen00 October 24, 2014
Word of the Day on October 6, 2026

trucker's tan 

A sunburn or suntan focused on the left arm. It is caused by the left side of the body being the only half that gets exposed to sunlight while driving. Presumably, it would be located on the right side of the body in countries where they drive on the left side of the road.
I had a trucker's tan after driving for 10 straight hours on a sunny day.
Word of the Day on October 5, 2026
The phenomenon where adults salivate at children's toys
Every time I walk into the toy aisle, I catch myself kidulting over the latest action figures and LEGO sets!
kidulting by Emotional Cruiser October 12, 2025
Word of the Day on October 4, 2026
British slang for a scientist or technical expert, esp . when the speaker is not certain of the expert’s specific field of study. Not necessarily derogatory, but typically used by persons without a technical background. In the US, the equivalent would be “egghead”, “squint”, or “geek.”

Origin of the word is unknown. Started sometime in World War 2. Given the typical evolution of British slang, could easily have started because what these experts did was confusing or “baffling” to the common person.
According to the boffins downstairs, the murderer used a serrated blade.
Boffin by Agnon February 11, 2023
Word of the Day on October 3, 2026
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