Kaasviool Share definition Flag A violin made of cheese. Can also be used as a curse word if you do something stupid. You can compare it with patatohead. "Jij bent echt eenkaasviool!""In this musicshop, they don't have any kaasviools." Kaasviool by KAASVIOOL August 12, 2019 0 0 Get merch Get the Kaasviool mug. Buy Now — $32.95 See more merch