It means the same in Norwegian as "vaginaface". If you hate somebody you can call them fittetryne. Its not nice to say its very mean.
"Ditt jævla fittetryne!!" "You fucking vaginaface!!"
Norwegian word for puzzy
Usually used when someone gets hurt ( Jævla fitte! )
*gets hurt* "JÃVLA FITTE FAEN HÃLVETE"