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Air Sex World Championships promotional photo.

(Courtesy of Facebook)

A unique event will be presented in Massachusetts this month, one sure to raise some eyebrows.

The Air Sex World Championships will be held in Northampton and Somerville as part of a nationwide tour. Both events will feature an "oddly uplifting mixture of comedy and honest sexual expression," says organizers. The event combines the concepts of air guitar with sex resulting in competitors simulating sex with air onstage.

"It's a one-of-a-kind, rowdy celebration of sex as the most ridiculous and important activity that humans engage in on a daily basis," organizers said.

The concept of air sex competitions began a decade ago in Japan.

After seeing news reports of the Japanese competition, the owner of a bar in Austin decided to test the idea of hosting such events stateside, GQ reported in a feature on the concept. Chris Trew, a comedian who was a judge for the bar's air-guitar shows, began hosting Air Sex competitions. After the events were a hit, Trew took the show on the road.

In the years since it's stateside beginnings at the Austin bar, Trew has toured the show across the United States.

Following an opening performance by Trew, attendees are invited to take the stage and perform their best "Air Sex" routine for a chance to win prizes.

When up on the stage, participants must follow several rules: They may not have a partner and all acts must be simulated with air. Nudity is frowned upon and typically trying to look ridiculous rather than hot scores points with the judges, GQ reported.

The Somerville show will be held at the ONCE Ballroom on Thursday, May 11 at 7 p.m. Tickets are available for $16 and can be purchased online, or at the door if the event doesn't sell out.

The event in Northampton will be held at the Iron Horse Music Hall on Monday, May 15 at 7 p.m. Tickets are on sale for $12, plus event fees.