calisse
Derived from the French word for chalice, "calisse" is a common swear in French Canadian vocabulary. Contrary to the popular belief that only Quebecors use it, it is widely used and understood by French Canadians from coast to coast, but mostly in Quebec, Northern and Eastern Ontario, and New Brunswick. It can be used as a noun, a verb and has other uses as well. The level of vulgarity of this blaspemic swear differs from region to region.