Sport originally derived from sport climbing, consisting in short sequences of "moves" (movements of the arms allowing the body to be moved up a climbing wall, a rock boulder or even a house wall) that requires huge levels of strenght on the forearms & fingers, and different special tecniques. This sequence is normally called a "problem". The climber is not roped, and the only protection allowed is a thick foam mattress called "crashpad". Bouldering problems rarely go higher than 3 or 4 meters above the ground.

"Solving" a problems often forces to make unlikely movements, like "pinching" a hold with your heels, or literally jumping from hold to hold (doing a "dyno"). Style is important, but what really counts is to reach the last hold (the "top")

Bouldering was developed in the 60's in France and in California (by John Gill, the "human fly") as a pastime for bored rock climbers in off-season. In the 90's, however, the growth of indoor climbing walls (often homemade) and rock climbing gyms has made bouldering popular with the urban / hip-hop crowd, transforming it - in France and UK - in a "signature" sport like skateboarding. Part of the popularity of bouldering is due to the fact that it's being quite cheap - the only thing you need is a pair of climbing shoes (and the crashpad if you're bouldering outdoor).

There's a lively competition circuit around the world, and there are now bouldering sites (often simple concrete walls) almost in every city of the world. In fact, bouldering is now more a urban sport than an outdoor activity.
by Korman643 July 31, 2005
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The act of one man bashing his testicles against the testicles of another man, sometimes for comedic purposes, but most often for sexual gratification.
Dude... I was totally bouldering with Jared last night and it was WAY hot, but now my ballbag is all bruised.
by zombieman March 28, 2018
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A sexual act involving the passing of fecal matter between two or more peoples mouths.
Dude, I totally went bouldering with this chick last night.
by eatatomato February 9, 2010
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The act of free climbing large boulders without ropes and harnesses.
We are headed out to Yosemite to do some bouldering tomorrow.
by Todd Laughery July 17, 2005
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Only the absolute most gangsta sport in the entire world. Duh.
Basicly, climbing to the top of big rocks. Really big rocks are called highballs. And you don't climb a boulder; you "send" it.
The great thing about it is that all you need is a chalkbag(Prefarably filled), climbing shoes and a crash pad. If you're thrifty all under $200 bucks--and they last forever.
Dude, this weekend I'm going bouldering on that highball that you couldn't send.
by MoreGangstaThanYou March 27, 2007
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referring specifically to wearing underwear with shaved testicles.
Yo - you bouldering today?

Ya - I be bouldering.

Bouldering is great but this is really hurting my crotch.
by BJE4 August 5, 2010
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There are 4 words for kinds of hard earth matter: pebbles, rocks, stones, and boulders. correct?

So why always say "I am stoned" when you are so ripped that you can barely function? the word "stoned" is too general
"Hey dude, you ripped right now?"
-"Yeah man, I'm bouldered!"
"Damn, what are you doing?"
-"Uhh. sitting. TV is cool"
by Ryan H. K. March 10, 2008
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