Noun
A pointless human, without the ability to use their limbs from the neck down yet still possessing the ability to create a financial vaccuum to their family and the community in which they live (if that's how you want to refer to it).
See: Christopher Reeves-Superman turned quady.

"I've seen lots of spinals in my day, and this man is not a spinal!"
by Dannou Tannou-Kanibas October 7, 2007
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The act of having sexual intercourse with three other partners, which is not limited to the gender of the other partners.
Damn, those three bitches are sexy... Wonder if they're down for a quadie?
by Mr. Quad December 23, 2010
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A somewhat ambiguous term meaning hot, beautiful, ready-to-go, perky, sexually attractive, etc.
Bro, is that Marissa? I won't lie, she's looking quady!

If you look at Cindy's Instagram, you'll find that she's consistently quady.

I got this suit and tie; I'm looking quady tonight!
by Eon2323 March 25, 2013
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have sexual interactions with four people.
aye sexy girl wanna have a quadie with me and my friends?
by HHCD December 23, 2010
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Western Australian slang for a XXXX gold, comes from quadruple X.
"Hey bro, pass me a Quadie, I'm bulk Thirsty"
by Raz9999 October 7, 2018
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