(used to express affirmation or assent or to mark the addition of something emphasizing and amplifying a previous statement): Do you want that? F-Yep, I do.
(used to express an emphatic contradiction of a previously negative statement or command): Don't do that! Oh, F-yep I will!
(used, usually interrogatively, to express hesitation, uncertainty, curiosity, etc.): “F-Yep?” he said as he opened the door. That was a marvelous show! F-Yep?
(used as a strong expression of joy, pleasure, or approval.)