Promiscuous activity, rough sex in general, usually involving one riding another without hands in contact with the sexual partner
I heard a lot of noise last night, sounds like you were riding with no handlebars!

Dude, she was so fucking hot last night, no handlebars!
by FlowBoatEnthusiast September 3, 2008
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On your back, one knee up. The other leg is crossed in front. Your partner sits on the second leg, availing his / herself to penetration. Can also be called 'bird on a perch'. Courtesy Patton Oswalt.
The night out with my student was, like, a total bore until he asked me if I've ever gone 'riding on the handlebars'.
by @piledriver911 September 28, 2014
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when a female sits on the face of a male who has ahandlebar mustache. The hairs on the man's face are said to increase pleasure.

Also seen as "Ride ____'s Handlebars", "Riding on the Handlebars", "Handlebar Ride", and "The Brass Man Special".
Ladies always talk to The Brett because they want to Ride the Handlebars.

The ladies love to ride Brett's Handlebars!

"Damn baby! How would you like to ride my handlebars?!?"

Brett is legendary for giving a smooth handlebar ride.
by TheBrassMan33 November 2, 2011
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a child molestor that eats snicker bars while watching children ride bikes.
mr. johnson is riding a bike with no handlebars again. call the cops!
by Greg freezy June 16, 2008
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