One who owns an almost infinite supply of pornography.
"Hey,I'm bored, lets go to greeny's house, we can check out his porn."
by niblet August 8, 2004
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An obese english male who often is a child molestor. They specialise in gaming and drinking tea.
Hunny, before we let you on the internet we want to tell you the dangers of a greeny!
by Kevin G. P. October 5, 2006
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A nick-name for a person who always tries to appear better then their peers. Most commonly noticed in the form of story telling past experiences, which are most often lies.

The "green" aspect of it is a reference to the green mushrooms of any super mario game that gives you "1-up". By definition, a greenie will always try to "1-up" whatever you've just said/done to conpensate for their own lack of self worth.
Angel:I just got a new job, pays really well and I think I found a relly nice place to live with some good roomies.

Zak: yeah, I solved world hunger.

Felicia: No you didn't. Be happy for her and stop being such a 1-Up'ing greenie s.o.b.!
by Reginald McCafferty February 16, 2008
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A tool
Someone that is an outcast, not liked in society. A homosexual
by Matt C March 7, 2003
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Green-I

I made this up

I = 1st Number of the Roman numerals

also Green Eye stands for something els. Look it up
by Greeni October 7, 2012
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its weed people! pot! grass! ganja! yet another word for cannabis!

the green plant, that you have green days with!

*sighs* there are too many different words for this.

and, please, dont spell it greeny. unless your jamie.

also, you smoke it from a joint/spliff or a bong or w/e. it is not as bad as stuffy people make it out to be.
*points at weed/pot*
this is my greenie. do not touch it.

*other person tries to thief it*
I SAID MINE!
*ninja attack*
by Lyddy Cool October 24, 2006
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One who immitates someone in order to impress others specifically copying jokes, personal philosophys and attitudes to life.
"You know that joke i made up yesterday? Well Harry totally did a Greeny to show off to Katie."

"Alfie is doing a Greeny to Impress my ex."
by Chad Pentenville October 25, 2007
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