When someone or someones acts in a nature that is usually bold, brave, threatning or humilating to another person. In different situations it may be doing something a majority of peers would disagree.
1.Whassup nigga I heard your cuzin smack nigga in front that nigga ghetto bitch, yo go hard.

2.That nigga Tevin wore all pink to the club, he go hard.
by Brian Eggleston January 7, 2008
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Something that is tightor quite remarkable.
Can be you with music,looks, and etc.(Texas)
That song my 8 balL & MJG go hard.
That shirt go hard with them shoes.
by DE-BO July 5, 2004
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A phrase that is another way of saying awesome, rad, cool, sweet, tight, etc. You do not use it in the middle of a sentence.

example of how NOT to use it: I have a that go hard mp3 player.
How to use it:

speaker 1. "Man, Yesterday i got this sweet bass system for my car."

speaker 2."Oh that go hard."
by kip April 16, 2005
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1. When somethings pretty sick;
2. When you like someone alot or think they're cool
1. Black Guy: "Yo, Spiderman go hard"

White Guy:"Hahaha wtf?"

2. Friend: "ahh, that chick go hard."
You: "haha, i hope she doesn't"
by FallenSkater November 29, 2009
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1.i was goin hard when it came to my school work

2. i go hard when people start mess with my friends
by Keandra August 17, 2006
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To Just Drink all Night and day untill you cant drink anymore...just get so Drunk you cant remember nothing
Bobby and Jordan told Each other that They are going to GO HARD tonight
by bobby flip flop August 23, 2010
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go hard - an alcoholic beverage wild eye mixed with gray goose
damn man i drank that go hard last night, that shit had me fucked up
by big C313 December 27, 2010
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