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Blown away: A beginner’s guide to inflation fetishes

In previous blogs I have briefly mentioned various forms of inflation fetishes. In my blogs on fat fetishes and alvinophilia (belly fetishism) I noted that some fat admirers encourage their sexual partners to engage in inflation activities (where individuals inflate their abdomen with air or liquid so their abdomen is distended). Belly inflation is part of the wider practice of body inflation, and involves the practice of inflating (or sometimes pretending to inflate) a part of one’s body typically for sexual gratification. For some, this may be connected with sexual arousal from the receiving of enemas (i.e., klismaphilia). According to a Wikipedia entry on fat fetishism:

“Inflation refers to the practice of inflating (typically with air or liquid), until the abdomen is distended, in such a way that it simulates a stuffing or bloating, but without food”.

In my blog on scrotal infusion I described the sexual practice in which fluid (usually saline solution) is injected into the scrotal sac as a way of making it balloon in size (which is why the practice is sometimes referred to as ‘ballooning’). A very similar practice is scrotal inflation in which air (or other gases) are injected into the scrotal sac. As I noted in my previous blog, both scrotal infusion and inflation are potentially dangerous, and individuals engaging in such acts are at risk of scrotal cellulitis, subcutaneous emphysema, Fournier’s gangrene (a type of necrotizing infection or gangrene usually affecting the perineum), and/or air embolism. As far as I am aware, there is no academic or clinical research on the practice although there are a number of websites dedicated to this practice (e.g., Here are a few online accounts I came across:

Extract 1: “Ever since I was pregnant, I constantly fantasized about having that big round belly again. I used to watch pregnant porn and try to push my belly out and rub it but obviously wasn’t the same. I recently came across inflation. I never heard of it before nor thought it was possible, and it turned me on so much. I just tried air inflation with a fish pump for the first time yesterday, and it was such an amazing feeling to have a hard tummy again. I rubbed it up and down it was amazing but it was a bit crampy at times. I loved the pressure, my tight belly…I know I’m going to have to practice at it more…I want to get to a point were my belly looks pregnant with out all the cramping…I haven’t been able to talk about this to any one nor my husband. I think he’d find it extremely weird”.

Extract 2: I have an inflation fetish myself. Every now and then – which is starting to become daily – I usually inflate my stomach with air or water. I occasionally chug [almost] a gallon of milk or water with salt in it – chugging too much water can be poisonous, so always put some salt in it to balance your electrolytes. I find it very arousing to get a rock-hard stomach and I want to continue to make my stomach bloat bigger and rounder, yet maintain my abs. It’s a fun challenge”.

Extract 3: “I have the same fetish. I’m a gay guy, and I prefer belly expansion in particular. I think this fetish is somehow tied to the weight gain fetish that the internet and media has exposed in recent years. I, too, have a weight gain fetish. However, I enjoy helping or watching a partner partake in weight gain, but not myself. Getting back on the subject, though I do enjoy inflating myself. Whether it be through bloating with water, air enemas, or water enemas. Water enemas have become my personal favorite method, plus they’re actually healthy and cleanse your colon. I have noticed a lot of people with similar fetishes though. Everyone has their own niche of what turns them on”.

Obviously I can’t verify the veracity of the claims made by these individuals but assuming they are true and accurate admissions, they demonstrate that inflation fetishes exist and that there appear to be overlaps with other sexual fetishes and sexual paraphilias (such as fat fetishes). However, we know nothing about the incidence, prevalence, and the development of the fetish. In one of the many online fetish lists, one of them on the Thumbpress website (’10 strange fetishes that don’t make sense’) said that one of the inflation fetishes (‘air pumping’) was “quite disturbing…perhaps as disturbing as klismaphilia” and involves pumping air into the anus to the point that it expands the belly. The website’s critique was the practice was “unhealthy, dangerous and ridiculous”. On another fetish list on the Cracked website (‘5 ridiculous [safe for work] fetishes’), the article notes that:

“[Inflation fetish] is kind of like the balloon fetish, but with a fun twist. Instead of blowing air into a party favor, you stick a bicycle pump inside your danger zone and inflate your own body until you feel like you’re going to burst. You get the farts for hours after you do it, and these guys talk about that like it’s a plus. Normal people get a stomachache after swallowing air and trying to burp, so we think it’s pretty easy to see what these guys are going through. Besides having massive online communities dedicated to the practice of filling tummies with air, there are also millions (OK, tens) of YouTube accounts whose sole purpose is to show videos of stomachs growing slightly larger”.

One aspect of air pumping that should never be attempted is vaginal air pumping. On one sexual ‘agony aunt’ website (Go Ask Alice), one man asked whether blowing air into his girlfriend’s vagina could kill her. The response by ‘Alice’ asserted:

Yes, it’s a true but very rare occurrence. When air is blown or forced directly into a vagina – without allowing any air to escape – an air embolism (the abnormal presence of air in the cardiovascular system) could form, which can be fatal. Women who are more at risk for this unlikely possibility are those whose pelvic vessels are enlarged (meaning, increased blood supply to the vagina) due to a condition such as trauma and possibly pregnancy. So, if a very large amount of air were to be blown or forced into their vaginal canals, it’s possible that the air could enter their bloodstream, causing a blockage in a blood vessel. As a result, some of these women, perhaps including the pregnant women’s fetus, may experience complications. In extraordinary cases, some of these women (and the fetus) may die if the embolism travels to the heart or lungs”.

The lack of empirical research into inflation fetishes is either because they (i) are viewed by the academic and clinical communities as a trivial research topic, or (ii) have not (as yet) caused any problems among its adherents. If papers do end up being published it may be as a result of when things go horribly wrong (i.e., someone dying).

Dr Mark Griffiths, Professor of Gambling Studies, International Gaming Research Unit, Nottingham Trent University, Nottingham, UK

Further reading

Aggrawal A. (2009). Forensic and Medico-legal Aspects of Sexual Crimes and Unusual Sexual Practices. Boca Raton: CRC Press.

Cipriano, A. (2009). 5 ridiculous (safe for work) fetishes. Cracked, March 17. Located at:

Encyclopedia Dramatica (2012). Fat furry. Located at:

Thumbpress (2011). 10 strange fetishes that don’t make sense. April 20. Located at:’t-make-sense/

Wikipedia (2012). Body inflation. Located at:

Wikipedia (2012). Fat fetishism. Located at: