faen ass Share definition Flag Norwegian word, means the same as "Damn, dude". used in the bigger citie's of norway by teenager's. usually in the start of a sentence. Faen ass... Fikk skikkelige problemer på t-banen i går... Translated: Damn, dude.... I got in so much trouble on the subway last night... faen ass by Zoneblade January 19, 2005 Get the faen ass mug.