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.
Definition of duff. duff. You're the duff. There is always a duff in every click. A duff is the designated ugly fat friend of every group. Many people go to them to get information about their hot friend or friends because they are more approachable. Last edited on Jul 12 2015. Submitted by Anonymous on Jul 12 2015.