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.
High king#2: yeah, the fianna will get our asses. They are so badass.
by Cleomenes January 15, 2021

A word for a stunningly attractive girl. A girl with all the good personality traits. Somebody perfect.
by charlotte121 September 26, 2006

by billotelli December 04, 2013

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.
by Dusean October 05, 2010

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
by linseyrose January 25, 2022
