A form of dancing often seen at hardcore shows (hence the name "hardcore dancing.")
It features rather violent, frenetic moves emphasizng punching, kicking, and spinning.
Originating in the Boston scene of the mid-1990s, hardcore dancing is an evolution of the punk/ska dance called skanking. After a while, hardcore kids decided that two-stepping around in a circle was stupid, especially if the person in front of you was going really slow. Thus, they began to form a pit around a few individual dancers, who would proceed with said acrobatics for 30 seconds or so, before rejoining the crowd (hardcore dancing is only possible in short bursts, if it's done right).
Hardcore dancers often form crews that frequent shows together. Crew dancers are often fiercely competitive and rather elitist.
In scenes such as New York, the dancing is very style-based and exclusive, and the kids look after each other (i.e. when somebody falls or gets hit). In scenes like Philly and Jersey, the dancing is also very exclusive, but the dancing is extremely violent, and injuries and fights are more common. On the West Coast, the dancing is style-based as in NYC, but not nearly as exclusionary.
Hardcore dancing is often looked down upon by certain punks and hardcore purists, who think its silly, and favor more communal dancing. However, they are full of shit and should be spin-kicked in the face, just so they know how silly it is. It takes more skill, anyway.
Two-step: One foot swings around in front of the other and replaces it. The other foot swings around and replaces the first foot, and so on and so forth. Done stylishly with arm swings.

Windmill: Arms swing all the way around, opposite each other.

Floor punching: Punch straight at the (you guessed it!) floor, alternating hands and bringing up elbows all the way, and stomping the opposite foot.

Spin kick- Spin a full turn extending the inside foot in the middle of the rotation, ninja-style.

Throw: Reach elbow straight back, then throw kinda sidearm-style, while crouched and stomping like hell on the floor. Usually only done with one hand.

Arm swing: One arm goes from side-to-side in front of you very rapidly, while the other hand is behind your back, over your face, grabbing your belt buckle, etc. Done while stomping on floor.
by This Mute Print Lies. July 20, 2005
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What stupid emo/scene kids think is moshing. They spin-kick and fight the air. They don't actually fight, to even touch someone else in one of their perverted mockeries of a mosh pit is frowned upon. It's really annoying when you're moshing at a great show, and some stupid emo runs into the middle of the pit and starts "hardcore dancing." It's an embarrassment, it really is.
Stupid kid hardcore dancing: WHOO, YEAH! I LOVE MOSHING!
Kid skanking to the side: You wouldn't know what moshing is if you were thrown in a pit and caught in the middle of a Wall of Doom.
by DJ Loomis February 15, 2010
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"Hardcore dancing" is easily defined as a way for those girl pants-wearing, emo haircut sporting, brainless trend following yuppie kids to act tough. Hardcore dancing often looks as if the people performing the dance are going to mosh, but they actually dont, and when one does get hit by another, they often retreat out of the little circle-jerk they call the "pit" and go cry to their emo girlfriends. Hardcore dancing should only be attempted by the extremely homosexual.
"Dude, i was totally kicking that invisible ninja's ass, until some idiot completely like clipped me with his plaid converse. Kicking other people in the pit is so totally not hardcore dancing"
by Anti-Gaycore October 9, 2005
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To make a long story short, it's an alternative to being homosexual, I.E: being homosexual, dancing, and listening to homosexual music.
by Hitsua September 1, 2005
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Pathetic Emo Scene Kid Watered Down Mosh pit consisting of trying to look tough and aggressive while you're in your own personal space bubble. God forbid anyone should collide. Everyone would have to stop and cry it off. Then again... Most of these fags probably cry while they do it.
I was at a venue to see a local thrash band and every other band in the line up was some grind hard metal core bullshit.

During those shit bands all the emo fags were doing their hardcore dancing and giving us dirty looks cause we weren't as cool and hard core as them.

Then the thrash band came on and we started a vicious circle pit. All these little scene fags ran away.
by Stogerjohnson February 7, 2009
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1. A great way to get the living shit kicked out of you at a metal show.

2. Moshing for people who can't handle a real pit
That kid hardcore dancing is really just hitting kids in the face. Let's go kick the shit out of him.
by Lionlivein January 13, 2010
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The form of dance at a hardcore show
It isn't exactly dancing, more of a violent flailing, though it does take a considerable ammount of skill.

Most people consider this annoying, but they're just a bunch of pussies who don't realize what it means to go to a show, and if you do complain about it, stop fucken goin to shows! or be a shit ass wallflower
Dude, rip up this pit and start a fucken circle!!! i wanna throw down like a mad man!


-I got a fucken fist in the face and now my lip if bleeding...ARG
-man..i wish my lip was bleeding
by TwiTzT December 11, 2004
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