fikku 

Fikku is fic (short for fanfic, short for fanfiction) with a Japanese accent. Used most commenly by jrock fangirls.

Fangirl: Kyaa~ Enayy posted another fikku~!
Fangirl2: OMGSLASH?!
Fangirl:-nod-

fikku by lol no. August 16, 2008

fakkued 

A slang word used to describe a person who got tricked by a male pretending to be a girl on the internet. Coined after a person with the alias Fakku who got tricked a lot.

Fakku: Yo man, "playgirl16969" is so hot!!!
Lulla: Dude.. you're getting fakkued, that's a guy in real life!

fakkued by Berrimanwoman6969 January 29, 2014

fakku 

Japanization of the word 'fuck', might also refer to a popular website that hosts hentai doujin and videos

Kimi wo FAKKU-shite kudasai! ^__^
(Please fuck yourself! ^__^)

fakku by fakkeur January 16, 2010

Finkus 

A boyfriend who ticks his girlfriend off all the time but is actually a wonderful boyfriend and she loves him anyway.

Boyfriend- *eats the last slice of pizza*

Girlfriend- "Such a Finkus move..."

Finkus by TLC15 August 30, 2016

fiskus 

"fiskus" is an easier version of the word "Fi5KuS"

Ex. 1
(In a PC game)
Man 1: What the hell was that, I was killed by a non-skillfull spray weapon.
Man2: Haha, it must be the Fi5KuSblaster :D

Ex. 2
Man 1: What is the name of the weapon that can shoot rockets?
Man 2: You mean the fiskus launcher?

fiskus by rglaf April 13, 2008

Finkums

A cute ball of cuddles. Capable of infecting others with the "cuteness" virus.

Girl 1 - "Did you see that cute guy?"
Girl 2 - "Yeah, he is a total Finkums."

Finkums by Snicklewilly April 25, 2010

Fakku! 

Fakku! is the world's largest English speaking hentai website on the net. It averages around 300 million page views a month. Fakku! was created in December of 2006.

Fakku! All About Hentai.

Fakku! by hubu December 1, 2011