Flatulence

fartflatusflatulentfartinggasfartsintestinal gaspasses gasbreak windpassing gas
Flatulence is defined in the medical literature as "flatus expelled through the anus" or the "quality or state of being flatulent", which is defined in turn as "marked by or affected with gases generated in the intestine or stomach; likely to cause digestive flatulence".wikipedia
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Fecal incontinence

incontinencefaecal incontinencefecal leakage
It is a recognised subtype of faecal incontinence, and is usually related to minor disruptions of the continence mechanisms.
Fecal incontinence (FI), also known as anal incontinence, or in some forms encopresis, is a lack of control over defecation, leading to involuntary loss of bowel contents—including flatus (gas), liquid stool elements and mucus, or solid feces.

Abdominal distension

abdominal distentiondistensiondistended abdomen
These definitions highlight that many people consider "bloating", abdominal distension or increased volume of intestinal gas to be synonymous with the term flatulence (although this is technically inaccurate).
Through a variety of causes (see below), bloating is most commonly due to buildup of gas in the stomach, small intestine or colon.

Blowing a raspberry

raspberryBronx cheerblows a raspberry
The noises commonly associated with flatulence ("blowing a raspberry") are caused by the vibration of anal sphincters, and occasionally by the closed buttocks.
It is made by placing the tongue between the lips and blowing to produce a sound similar to flatulence.

Aerophagia

aerophagyswallowing airSwallowing of air
Excessive swallowing of environmental air is called aerophagia, and has been shown in a few case reports to be responsible for increased flatus volume.
Aerophagia may also refer to an unusual condition where the primary symptom is excessive flatus, belching is not present, and the actual mechanism by which air enters the gut is obscure.

Vaginal flatulence

queefsqueefqueefing
Derived terms include vaginal flatulence, otherwise known as a queef.
The sound is somewhat comparable to flatulence from the anus but does not involve waste gases and thus often does not have a specific odor associated.

Lactose intolerance

lactose intolerantlactose-intolerantlactase deficiency
In the case of people who have lactose intolerance, intestinal bacteria feeding on lactose can give rise to excessive gas production when milk or lactose-containing substances have been consumed.
Symptoms may include abdominal pain, bloating, diarrhea, gas, and nausea.

Fart lighting

ignitedlight a fartlighting farts
Methane and hydrogen are flammable, and so flatus containing adequate amounts of these can be ignited.
Fart lighting, also known as pyroflatulence or flatus ignition, is the practice of igniting the gases produced by human flatulence, often producing a flame of a blue hue, hence the act being known colloquially as a "blue angel", "blue dart", or in Australia, a "blue flame". The fact that flatus is flammable, and the actual combustion of it through this practice, gives rise to much humorous derivation.

Olfactory reference syndrome

Some patients may exhibit over-sensitivity to bad flatus smell, and in extreme forms, olfactory reference syndrome may be diagnosed.
The character of the odor may be reported as similar to bodily substances, e.g. feces, flatus, urine, sweat, vomitus, semen, vaginal secretions; or alternatively it may be an unnatural, non-human or chemical odor, e.g. ammonia, detergent, rotten onions, burnt rags, candles, garbage, burning fish, medicines, old cheese.

Feces

faecesdungexcrement
It is also normal for intestinal gas passed through the rectum to have a characteristic feculent smell, although this too may vary in concentration.
These are the same compounds that are responsible for the odor of flatulence.

Giardiasis

lambliasisgiardiaacute giardiasis.
Some infections, such as giardiasis, are also associated with flatulence.
This characteristic diarrhea is often accompanied by a number of other symptoms, including gas, abdominal cramps, and nausea or vomiting.

Methanethiol

methyl mercaptanmethylmercaptanHSCH 3
It is known that hydrogen sulfide (H 2 S), methyl mercaptan (MM, also known as methanethiol, MT), dimethyl sulfide (DMS), dimethyl disulfide (DMDS) and dimethyl trisulfide (DMTS) are present in flatus.
It is one of the main compounds responsible for bad breath and the smell of flatus.

High-altitude flatus expulsion

high altitude flatus expulsionexcessive flatulation
In the field of mountaineering, the phenomenon of high altitude flatus expulsion was first recorded over two hundred years ago.
High-altitude flatus expulsion (HAFE) is a gastrointestinal syndrome which involves the spontaneous passage of increased quantities of rectal gases at high altitudes.

Bismuth subgallate

Smell from flatulence is commonly treated with bismuth subgallate, available over-the-counter in the US as Devrom.
Bismuth subgallate, with a chemical formula C 7 H 5 BiO 6, is commonly used to treat malodor by deodorizing flatulence and stools.

FODMAP

Low-FODMAP dietlow-FODMAP dietsdiet low in fermentable oligosaccharides, disaccharides, monosaccharides, and polyols
This is the theory behind diets such as the low FODMAP diet (low fermentable oligosaccharide, disacharide, monosaccharide and polyols).
The resultant production of gas potentially results in bloating and flatulence.

Flatulist

professional farter
Enough entertainers performed with their flatus that the term flatulist was coined. Le Pétomane ("the Fartomaniac") was a famous French performer in the 19th century who, as well as many professional farters before him, did flatulence impressions and held shows.
A flatulist, fartist, or professional farter is an entertainer (sometimes considered a comedian) whose routine consists solely or primarily of passing gas in a creative, musical, or amusing manner.

Asafoetida

asafetidahingheeng
Certain spices have been reported to counteract the production of intestinal gas, most notably the closely related cumin, coriander, caraway, fennel and others such as ajwain, turmeric, asafoetida (hing), epazote, and kombu kelp (a Japanese seaweed).
Asafoetida is considered a digestive in that it reduces flatulence.

Irritable bowel syndrome

IBSirritable bowelbowel
In the past, functional bowel disorders such as irritable bowel syndrome (IBS) that produced symptoms of bloating were attributed to increased production of intestinal gas.
The resultant production of gas potentially results in bloating and flatulence.

Antiflatulent

anti-flatulent
Antiflatulent
An antiflatulent agent is a drug used for the alleviation or prevention of excessive intestinal gas, i.e., flatulence.

Methanogen

methanogensmethane-producing microbesmethanogenic bacteria
In cows, gas and burps are produced by methane-generating microbes called methanogens, that live inside the cow's digestive system.
They are common in wetlands, where they are responsible for marsh gas, and in the digestive tracts of animals such as ruminants and humans, where they are responsible for the methane content of belching in ruminants and flatulence in humans.

Thunderpants

Bruce Cook
Also, a 2002 film Thunderpants revolves around a boy named Patrick Smash who has an ongoing flatulence problem from the time of his birth.
Thunderpants is a 2002 British-German family film about a boy whose incredible capacity for flatulence gets him a job as an astronaut.

Activated carbon

activated charcoalactive carbonactive charcoal
Despite being an ancient treatment for various digestive complaints, activated charcoal did not produce reduction in both the total flatus volume nor the release of sulfur-containing gasses, and there was no reduction in abdominal symptoms (after 0.52 g activated charcoal four times a day for 1 week).
Tablets or capsules of activated carbon are used in many countries as an over-the-counter drug to treat diarrhea, indigestion, and flatulence.

Rifaximin

The antibiotic rifaximin, often used to treat diarrhoea caused by the microorganism E. coli, may reduce both the production of intestinal gas and the frequency of flatus events.
Symptom relief or improvement can be obtained for global IBS symptoms including: abdominal pain, flatulence, bloating, and stool consistency.

2011 Malawian Air Fouling Legislation

Air Fouling Legislationclause in the Local Courts billbans fouling the air
In January 2011, the Malawi Minister of Justice, George Chaponda, said that Air Fouling Legislation would make public farting illegal in his country.
When the Minister of Justice claimed that the bill made flatulence in public illegal, the story made headlines around the world.

Le Pétomane

Joseph PujolJoseph Pujol, Le PétomaneLepetomane
Le Pétomane ("the Fartomaniac") was a famous French performer in the 19th century who, as well as many professional farters before him, did flatulence impressions and held shows.
He was famous for his remarkable control of the abdominal muscles, which enabled him to seemingly fart at will.

Flatulence humor

fart jokesback and forth rhyming gameflatulence
Flatulence humor
Flatulence humour or flatulence humor refers to any type of joke, practical joke device, or other off-color humor related to flatulence.