To edit the credits displayed or to add more credits to this character's filmography, click the Edit Credits link. 1  2010s. 2  1980s. 3  1960s. Vikings. - Episode #5.5 (2017) TV episode, Played by Alex HÃ¸gh Andersen (as Ivar)  Hammer of the Gods (2013) Played by Ivan Kaye (as 1  Ivar) Erik the Viking (1989) Played by John Gordon Sinclair.
Definition of duff. 1 : a boiled or steamed pudding often containing dried fruit. 2 : the partly decayed organic matter on the forest floor.
1. (Cookery) a thick flour pudding, often flavoured with currants, citron, etc, and boiled in a cloth bag: plum duff. 2. (Gynaecology & Obstetrics) up the duff slang pregnant.