When a man is doing a girl doggystyle and sticks both his thumbs up the girls ass and hooks both inside so he has a firm grip. While the girl reacts to this, she starts to kick out like a horse and thats where the fun begins...
Last night I gave the girl the time of her life. She even got the bucking bronco!
by Spliff Dog February 21, 2008
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A sad remnant of a team who couldn't stand up to the Pittsburgh Steelers with the Super Bowl on the line.
Wow...the Denver Broncos sure got their asses spanked by the Pittsburgh Steelers.
by Truthtalker2 July 6, 2006
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A Football (American) team that will never win a Super Bowl again, because without Elway they are worthless.
by Fernando Villarreal October 14, 2006
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None of you got it right. A bucking bronco is... when you are having sex in a car, typically sitting in the front seat with the woman straddling your lap (it works best if she's facing you so she can't see what you're doing), you push in the cigarette lighter and when it pops out you quickly touch it to her ass cheek for a second. Naturally she will buck up and down and try to get off, and you have to grab hold and keep her on you.
"Man, me and Cheri where in my car last night getting it on, and I gave her a bucking bronco. She was pissed off but it was a great ride!"
by Mr. Lizard April 7, 2009
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Before having sex, you jump onto your girlfriend's back, and whisper into her ear, "I have AIDS". She will start jumping or 'bucking' around. The aim is to try to stay on her back for as long as you can. Try to set records with your friends
"Hey man, where did you get the black eye?"
"Oh that? Well I tried out that bucking bronco thin with Sarah... she didn't think it was funny."
by Julien Kearman January 10, 2008
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Term used to describe an odd doggy style method. The male leans down over the female during sex then strongly punches the girl twice in the kidneys. The male must hold on while the female tries to "buck off" the guy. Any version of the bucking bronco must be witnessed by at least 2 people. And the record is 26 seconds.
"Dude, I'm taking this bitch I met home and I'm going to do the bucking bronco. I need you guys to witness it!"
by Louis Freese December 10, 2006
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Owner of "The Bronc", the loudest, shittist,portable bed for sleeping and fucking, can also be used to clear trails through thin trees.

This man loves many things, "Doin it", drinking natti light, his flask and his boys. It really doesn't get any better than your own personal Bronco Nick. Also an intricate member of TEAM WOLF
It's Bronco Nick and the flying Bonco
by Kabowski October 22, 2003
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