FUck

Fuck is a profanity in the English language that often refers to the act of sexual intercourse, but is most commonly used as an intensifier or to convey disdain. While its origin is obscure, it is usually considered to be first attested to around 1475. In modern usage, the term fuck and its derivatives are used as a noun, a verb, an adjective, an infix, an interjection, or an adverb. There are many common phrases that employ the word as well as compounds that incorporate it, such as motherfucker and fuck off.