To be incredibly confused... so confused that you have been foncused to not have your mind straight enough to type the word correctly.
*Foncused ... the new confusion..."
Guy: "Omg! are you so drunk that you cant stand up any more and I will have to carry you home on my back!?!?"
Girl: "Honey....? I'm so Foncused.... I thought you were dead already."
(Scene from "My Sassy Girl, Korean")