Since uncontaminated resources were scarce, supposedly many towns required permission to have children.
A similar variant on this theory involves the recording by church clerks of the crime of "Forbidden Use of Carnal Knowledge." Another theory is that of a royal permission.
During the Black Death in the Middle Ages, towns were trying to control populations and their interactions.
A possible intermediate might be a Latin 4th-declension verbal noun *fūtus, with possible meanings including "act of (pro)creating".
However, the connection to futuere has been disputed—Anatoly Liberman calls it a "coincidence" and writes that it is not likely to have been borrowed from the Low German precursors to fuck.
"Either this refers to an inexperienced copulator, referring to someone trying to have sex with the navel, or it's a rather extravagant explanation for a dimwit, someone so stupid they think this that is the way to have sex," says Booth.
An earlier name, that of John le Fucker recorded in 1278, has been the subject of debate, but is thought by many philologists to have had some separate and non-sexual origin.The word is considered obscene, but is common in many informal and familiar situations.It is unclear whether the word has always been considered vulgar, or, if not, when it first came to be used to describe (often in an extremely angry, hostile or belligerent manner) unpleasant circumstances or people in an intentionally offensive way, such as in the term motherfucker, one of its more common usages in some parts of the English-speaking world.In modern usage, the term fuck and its derivatives (such as fucker and fucking) can be used as a noun, a verb, an adjective, an interjection, or an adverb.There are many common phrases that employ the word, as well as compounds that incorporate it, such as motherfucker, fuckwit and fucknut.Some English-speaking countries censor it on television and radio.