Doric meaning mad or insane.
that guy is feil
he went feil with rage
sometimes you feel as if you have to feil
An event where an individual or a group of individuals perform an action that is not considered "normal" as the event does not go according to the original plan. (Also known as a "Fail") Now, when an individual(s) perform an action that defies the laws of logic and are along the lines of retardness and a complete LOL maker, it is considered a Feil.
Fei: the movie was so previdible!
Ruu: previdible? What's that?
Fei: Prevedibol? Predivtable?
Feil verb. To have failed miserably at something you thought you were good at.
J.J.: "Wanna go back to my place?"
Tiffany: "Sure why not."
20 min. later
J.J.: "Was it good for you?"
Tiffany: "Not really, sorry to say it but you Feil