XXX - AbsoluteAstronomy.com

XXX may refer to:

The number 30
30 (number)
30 is the natural number following 29 and preceding 31.-In mathematics:30 is the sum of the first four squares, which makes it a square pyramidal number.It is a primorial and is the smallest Giuga number....

in Roman numerals
Roman numerals
The numeral system of ancient Rome, or Roman numerals, uses combinations of letters from the Latin alphabet to signify values. The numbers 1 to 10 can be expressed in Roman numerals as:...

Especially applied to a year AD or Olympiad (or, by extension, another sporting event) - as in

The year 30
30
Year 30 was a common year starting on Sunday of the Julian calendar. At the time, it was known as the Year of the Consulship of Vinicius and Longinus...

AD
Games of the XXX Olympiad, the 2012 Summer Olympic Games in London, England
Super Bowl XXX
Super Bowl XXX
Super Bowl XXX was an American football game played on January 28, 1996 at Sun Devil Stadium in Tempe, Arizona to decide the National Football League champion following the 1995 regular season...

, held on January 28, 1996

A mark indicating "extra strong"

Especially applied to:

Alcoholic beverage
Alcoholic beverage
An alcoholic beverage is a drink containing ethanol, commonly known as alcohol. Alcoholic beverages are divided into three general classes: beers, wines, and spirits. They are legally consumed in most countries, and over 100 countries have laws regulating their production, sale, and consumption...

s

Traditionally applied by brewers to barrels of full-strength beer
Beer
Beer is the world's most widely consumed andprobably oldest alcoholic beverage; it is the third most popular drink overall, after water and tea. It is produced by the brewing and fermentation of sugars, mainly derived from malted cereal grains, most commonly malted barley and malted wheat...

- see XXX (beer)
A designation for an alcohol concentration in moonshine
Moonshine
Moonshine is an illegally produced distilled beverage...

, sometimes used as a generic depiction of distilled spirits
- Pornography
  Pornography
  Pornography or porn is the explicit portrayal of sexual subject matter for the purposes of sexual arousal and erotic satisfaction.Pornography may use any of a variety of media, ranging from books, magazines, postcards, photos, sculpture, drawing, painting, animation, sound recording, film, video,...
An identifier for pornography, especially X-rated
X-rated
In some countries, X is or has been a motion picture rating reserved for the most explicit films. Films rated X are intended only for viewing by adults, usually legally defined as people over the age of 17.-United Kingdom:...

movies
.xxx
.xxx
.xxx is a sponsored top-level domain intended as a voluntary option for pornographic sites on the Internet. The sponsoring organization is the International Foundation for Online Responsibility . The registry is operated by ICM Registry LLC. The ICANN Board voted to approve the sTLD on March 18,...

, an approved top-level domain intended as a voluntary option for sexually explicit sites on the Internet
Mommy XXX
Mommy XXX
Mommy XXX is an American reality television web series directed and produced by Steve Slome and John Ferrie and starring former porn star Demi Delia. The show was produced by Teru Media and premiered on Sony Pictures Entertainment owned Crackle on June 18, 2009. The show "chronicles the life of...

, a porn reality show featuring Demi Delia
- Other items, products supposed to be especially strong or effective
A brand of laundry soap in India
India
India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

A warning or danger signal

As in

An indication of urgency in radio communication, less urgent than SOS
SOS
SOS is the commonly used description for the international Morse code distress signal...
In computer programming, XXX is a comment to warn other programmers of problematic or misleading code

xxx (usually lower case), as often used at the bottom of affectionate letters or emails
Three kisses, three loving words I love you (each denoted by an x, often used with 'o' to mean a hug: e.g.