The human quality leading to bold and aggressiveness action where others dare not.
He was a WEB developer who had the ballsiness not to bother making his pages compatible with IE6.
by Holly Goodhead June 24, 2011
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"Did you see Jim tell off the boss? That was ballsy!"
by Load March 22, 2003
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Adjective for someone willing to take risks, or displays how manly or unafraid of authority and/or getting caught a person is. Also to describe the act of something dangerous or forbidden.
"You snorted cocaine in your junior high girl's bathroom!? That was ballsy!"
by iamgirl March 28, 2009
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1. Something which takes balls aka courage to do
2. An object which attains a ball form
3. A response when no other response is available
4. A lesser degree of shady
5. Not quite though
1. "That was a ballsy throw"
2. "That ball is very ballsy"
3. "So, I saw an orangutan masturbate yesterday" "Ballsy"
4. "Ballsy, almost shady, but not quite"
5. Ballsy
by jakethebaked June 4, 2007
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Another term used to describe someone having guts or courage to do something.

This usage of this word tends to stem from shallow uptight girls who try to be cute to make up for their lack of mature appearance.
That was a ballsie thing to do.
by Mikey September 2, 2004
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A gentle banter-type remark to get a slagging match underway.
How are you Ballsie?
by Handy Man April 7, 2005
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Steve Erwin from the crocadile hunter is the most ballsy person in the world
by Jru August 19, 2003
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