Cuss Yeah Share definition Flag A way to say fuck yeah without offending minors or teachers. From the movie: Fantastic Mr. Fox. Most commonly heard said by Siobhan S. "Want to go with us to the next Arcade Fire concert?"-Mum "Cuss Yeah!"-Siobhan Cuss Yeah by Hermionelver January 2, 2012 0 0 Get merch Get the Cuss Yeah mug. Buy Now — $32.95 See more merch