A green penis (typical symptom of gonorrhea).
1)
Girl 1: I almost let this dude bang me but than I saw he has a greenis!
Girl 2: Hello? That's like totally disgusting!

2)
Doctor: Okay, now please remove your pants so I can OH MY FUCKING GOD YOU HAVE A DAMN GREENIS!!!
Patient: What??? What does that mean???
Doctor: It means that you like hookers!
Patient: Wha... ???
Doctor: It means you can't beat the axis!
Patient: What the hell are you trying to tell me, doctor???
Doctor: You, sir, have gonorrhea!
by F4LL0UT July 24, 2010
Get a Greenis mug for your Facebook friend Paul.
1. An imaginary unit of vegetable, approximately equal to one "greenie," a type of dog treat. However, it can be used in almost any way imaginable (think hoss)
1. Go crunch on a greenis!
2. Holy fuck, look at that huge greenis!
3. I bet you a greenis Dumbledore will die in the sixth book!
by Pippinzzz January 13, 2006
Get a Greenis mug for your mother-in-law Riley.
A new person, aka greenhorn. Usually asks stupid questions but is not even close to as annoying a s noob.

Derived from Puzzle pirates were new players names are written in green.
Dude 1 : This dude just asked if he could have my war friggate
Dude 2: What a greenie
by That human person May 07, 2009
Get a Greenie mug for your friend James.
noun- slang term for an environmentalist. Often used to deride such people
That bloody tree-hugging greenie poofter!
by Danny Dick March 21, 2005
Get a greenie mug for your cousin Rihanna.
When alcohol and marijuana are consumed together, and the consumer gets really sick (pale, clamy, puking)
We made that guy down 4 beers after he toked 2 bowls, and he got the worst greenies ever!
by dv_metallica June 17, 2010
Get a greenies mug for your cousin Nathalie.
slang for Asenlix, diet pill form Mexico used by athletes as stimulant or to fight fatigue. Swallowed, snorted, or mixed w/ coffee.
Yo, Bart, bust me out a greenie before game time so I can get right...
by smurf February 06, 2004
Get the greenie neck gaiter and mug.