Fusk

A horribly misspelled rendition of "Fuck", that once one hears, one cannot stop saying. Nobody will actually know what you're saying or why, and in fact you'll probably be weird for doing it, but it's also kind of fun (in a Petersonian sense). In the same vein as Fuck, it can be used as a noun, adjective, verb and adverb. Fusk, Fusking, and Fusker are all by extention words. Congrats, you motherfusker.