Navel fetishism, belly button fetishism, or alvinophilia is a partialism in which an individual is sexually attracted to the human navel.
According to a study, it is a moderately prevalent fetish among individuals. While in 2012, it was the second most popular fetish search on Google as per their global monthly averages.
A navel fetishist can be sexually aroused by a variety of stimuli, including key words, thoughts or specific forms of physical interaction with the navel.
Some navel fetishists find physical acts involving the navel to be turn-ons. Physical acts can include licking the navel with the tongue or rubbing body lotion or suntan oil. Some fetishists get a turn-on from pouring drops of champagne, honey, chocolate sauce, whipped cream, etc., into and around the navel and then licking or sucking it up. Similarly, licking or rolling the tongue into the navel while underwater can produce erotic sensations. An ice cube when rubbed over or rested over the navel can produce erotic sensations.
The navel is an erogenous zone with a heightened sensitivity. The navel and the region below when touched by the finger or the tip of the tongue result in the production of erotic sensations, and some people are very ticklish to touch in that area. Some people can be aroused by tickling, lickling, blowing raspberries/zerberts (blowing air with lips), and teasing with a feather, flower or a piece of grass, especially when the person is ticklish in the navel.Fingering the navel is also a common act.
Some prefer to perform navel torture, a series of pain-inflicting acts such as sucking or pulling the navel out (often with a syringe), dripping hot oil or wax into the navel, poking pins into the navel, and stabbing the navel.
This attention is usually directed at a partner's navel, but may include a fixation on the fetishist's own navel.
A sex worker in Turkey stated that some men have attempted to have sexual intercourse by inserting their penis into her navel.
Some navel fetishists can be aroused by viewing a navel. In the case of a heterosexual man, women in bikini is one such example. Also women dressed in low-rise clothing like jeans, shorts etc., that reveals the navel is also considered sexually arousing. Indian journalist Bachi Karkaria once commented, "The navel is an erogenous zone. This is the reason why its exposure is always in fashion. Women have flashed it through the ages because men are turned on by it. It is shown because it wants to be seen".