Doing a bit of googling around I've found a bunch of rather strange sex-related laws and thought I'd share them. Some are pretty out there.
In Oblong,IL it's punishable by law to make love while hunting or fishing on your wedding day.
In Alexandria,MN no man is allowed to make love to his wife with the smell of onions, garlic, or sardines on his breath. If his wife so requests, law mandates the he must brush his teeth.
In Florida, having sexual relations with a porcupine is illegal.
In Tibet, many years ago, the law required all women prostitute themselves. This was seen as a way to gain sexual experience prior to marriage.
The Asiatic Huns punished convicted male rapists and adulterers with castration. Female adulterers were merely cut in two.
The penalty for masturbation in Indonesia is decapitation.
In London, it's illegal to have sex on a parked motorcycle.
There is, in fact, an Illinois law that prohibits a number of things—one of which is a public erection, another is nude dancing. The prohibition against the public erection has never been challenged in the Supreme Court, but the prohibition against nude dancing has.
The T'ang Dynasty Empress Wu Hu passed a special law concerning oral sex. She felt that a woman pleasuring a man represented the supremacy of the male over the female. Therefore, she insisted all visiting male dignitaries show their respect by pleasuring her orally when meeting. The empress would throw open her robe and her guest would kneel before her and kiss her genitals.
In 17th century Spain, it was illegal for anyone other than a woman's husband to see her bare feet. A woman could freely expose her breasts, but feet were considered sexual and had to be covered in the presence of men other than her husband.
In Indiana, mustaches are illegal if the bearer has a "tendency to habitually kiss other humans."
Up until 1884, a woman could be sent to prison for denying a husband sex.
In Maryland, it is illegal to sell condoms from vending machines with one exception—prophylactics may be dispensed from a vending machine only "in places where alcoholic beverages are sold for consumption on the premises."
While not as extreme as the ancient Israelite punishment for adultery (stoning), Greek men still had their fair share of discomfort when their pubic hair was removed and a large radish was shoved up their rectum.
There are men in Guam whose full-time job it is to travel the countryside and deflower young virgins, who pay them for the privilege of having sex for the first time. Why? Under the law in Guam, it is forbidden for virgins to marry. (What a great career choice!)
In Hong Kong, a betrayed wife is legally allowed to kill her adulterous husband, but may only do so with her bare hands. The husband's lover may be killed in any manner desired.
In Minnesota, it is illegal for any man to have sexual intercourse with a live fish.
In Oxford, Ohio, it's illegal for a woman to strip off her clothing while standing in front of a man's picture.
The only acceptable sexual position in Washington, D.C. is the missionary position. Any other sexual position is considered illegal.
It is illegal for any member of the Nevada legislature to conduct official business wearing a penis costume while the legislature is in session.
In Ventura County, California cats and dogs are not allowed to have sex without a permit.
Under Lebanese law, men are legally allowed to have sex with animals, but the animals must be female. Having sexual relations with a male animal is expressly forbidden.
A law in Fairbanks, Alaska does not allow moose to have sex on city streets.
In Kingsville, Texas there is a law against two pigs having sex on the city's airport property.
Women can sell items and be topless in Liverpool, England—but only in tropical fish stores.
In Romboch, Virginia, it is illegal to engage in sexual activity with the lights on.
In the state of Utah, sex with an animal—unless performed for profit—is not considered sodomy and therefore is legal.
In the quiet town of Connorsville, Wisconsin, it's illegal for a man to shoot off a gun when his female partner has an orgasm.
It is illegal for a man and woman to have sex "on the steps of any church after the sun goes down" in Birmingham, England.
In the state of Washington there is a law against having sex with a virgin under any circumstances (including the wedding night).
A Tremonton, Utah law states that no woman is allowed to have sex with a man while riding in an ambulance. In addition to normal charges, the woman's name will be published in the local newspaper.
It's against the law in Willowdale, Oregon, for a husband to curse during sex.
Sodomy laws have been repealed—or are ignored—in most states, but not Georgia, where a man was sentenced to five years in prison for engaging in oral sex. With his wife. With her consent. In their home.
Warn your hubby that after lovemaking in Ames, Iowa, he isn't allowed to take more than three gulps of beer while lying in bed with you—or holding you in his arms.
Bozeman, Montana, has a law that bans all sexual activity between members of the opposite sex in the front yard of a home after sundown—if they're nude.
An ordinance in Newcastle, Wyoming, specifically bans couples from having sex while standing inside a store's walk-in meat freezer.
In hotels in Sioux Falls, South Dakota, every room is required to have twin beds. The beds must always be a minimum of two feet apart when a couple rents a room for only one night. And it's illegal to make love on the floor between the beds.
The owner of every hotel in Hastings, Nebraska, is required to provide each guest with a clean and pressed nightshirt. No couple, even if they are married, may sleep together in the nude, nor may they have sex unless they are wearing one of these clean, white cotton nightshirts.
An ordinance in Newcastle, Wyoming, specifically bans couples from having sex while standing inside a store's walk-in meat freezer.
A state law in Illinois mandates that all bachelors should be called master, not mister, when addressed by their female counterparts.
In Florida , if you're a single, divorced, or widowed woman, you can't parachute on Sunday afternoons.
Kentucky and Idaho limit condom sales to medical practitioners and licensed pharmacists, but their license to sell the items may not be hung on a wall where it can be seen by customers.
Both Indiana and Ohio have laws that prohibit male skating instructors from having sexual relations with their female students. This misdeed, called "the seduction of female students," is prosecuted as a felony. This statute applies only to male teachers. It seems female skating instructors may have sex with male students.
Authorities in Harrisburg, Pennsylvania, passed a special piece of legislation governing sexual activities in the toll-collection booths on the Pennsylvania Turnpike. The law, which pertains only to female toll collectors, prohibits them from engaging in sex with a truck driver in the confines of a booth.
In California, adultery is punishable by a $1,000 fine and/or one year in prison. In Arkansas, offenders are fined a mere $20 to $100.
Single guys and gals caught in the act of sex in Michigan can be fined as much as $5,000, and they could be sentenced to as many as five years in prison. Single adults in Texas who are apprehended while having sex are charged with a misdemeanor and given a $500 fine.
Rhode Island prohibits unmarried people from partaking of bedroom activities under any circumstances. However, if caught, the lovers are both fined $10.
Unmarried adults in Arizona who decide to fool around a little are committing a serious felony. Anyone single, man or woman, caught having sex can be sent to the penitentiary for three full years.
South Dakota threatens a 10-year prison term for "copulation by means of mouth." Utah has made this same act a misdemeanor. There, oral sex brings a six-month jail term and a $299 fine. Rhode Island labels it an "'abominable, detestable crime against nature," and such activity brings a seven-to-10-year stretch in the penitentiary. It is outlawed in New Mexico where participation is punishable by a $5,000 fine and a two-to-10-year sentence. Florida chastises with a 20-year prison sentence those who take part in this act.
Buckfield, Maine, has a rather unusual law regarding cab drivers and sex. The legislation declares that no taxi driver "will be allowed" to charge a fare to any passenger who gives him sexual favors" in return for a ride home from a nightclub or other "establishment which serves alcoholic beverages," or any "place of business" selling liquor.
An old law in Cattle Creek, Colorado bans a man or his wife from making love while bathing in any lake, river or stream. In other words, anyone who wants to fool around while bathing must do so in a tub, or not at all.
In Anniston, Alabama an old ordinance bans women from using promises of certain physical activities to pay off a bet on a match they are playing. Nor may they initiate sex while hanging around a pool hall.
Women who go out on the streets alone at night in Kansas City, Kansas, can be arrested under an obscure 1901 city ordinance. Any unattended females can be picked up by the police if they are "in the streets or any public place without lawful business and without giving a good accounting of themselves."
Connecticut still retains an old law forbidding any kind of "private sexual behavior between consenting adults." This odd law makes absolutely no distinction between married and single couples.
In Nebraska, buggery, or anal copulation, can bring a whopping 20 years in the penitentiary. And buggery in Pennsylvania can bring transgressors a $5,000 fine and 10 years at hard labor.
No one may have sex while riding in the sidecar of a motorcycle in Norfolk, Virginia, where an old ordinance outlaws anyone from doing so while cruising down a city street.
Prostitutes in South Dakota are still prohibited from plying their trade out of a covered wagon.
It's "an excusable act of passion" in Colombia, South America, for a man to murder his wayward wife when he finds the woman in bed with her lover. If the husband "personally witnesses the corrupt sexual activity," he's allowed to shoot his unfaithful spouse. Such adultery-related homicides aren't even prosecuted.
Don't try to fool around while skinny-dipping anywhere near Georgetown, Guyana. Getting caught while bathing in the nude is punishable with a coat of fresh paint. The bathers are then taken to the outskirts of Georgetown and left to fend for themselves. The law is even tougher in its effort to discourage people from having sex while skinny-dipping. The lovers are first given a coat of paint, then both parties "will be attached to an ass and taken on a tour of the village." Finally, they'll be dropped at the edge of town and told in no uncertain terms to not bother coming back.
The law in Guatemala pulls no punches in dealing with single women who have been accused of illicit lovemaking. Supposed female "fornicators," when seen in the streets, are to be stopped, spat upon, and beaten by the citizens of the community. Single men aren't punished at all when they've been caught in the act.
It's against the law in Belize for any man to have sex with or marry his own aunt. Masked vigilantes are allowed to take the law into their own hands and severely punish the lawbreaker, who is tied to a tree and then flogged.