greenager 

A teenage environmentalist

Greenagers can often be seen volunteering to pick up trash at local parks.

greenager by anon.ymous1 September 22, 2009

Greener

A derogatory word/ racial slur that is used towards aliens.

Hey look at Jim over there in his UFO, what fucking greener 👽
What's up my Greenaa

Greener by Alien Technology February 7, 2021

Greener

A player (toon) on the game ToonTown who deliberately gives low toon’s a hard time. (Makes them go sad by not helping, using low gags, refusing to toon them up, hacking in extreme cases, etc.)

You greeners are leeches! Now get out of my sight! -Coach Zucchini

Greener by Justicewithtacosandweed November 15, 2019

greenover

When you smoke so much weed the night before that the next morning you are still a little high, and still have the munchies.

Damn dude, I had such a bad greenover this morning I couldn't get up for work!

greenover by abee89 August 19, 2009

greenery 

another way of talking about marijuana

Wanna go fetch some greenery?

Wanna take a hit off the greenery?

greenery by Nicole February 15, 2004

greenarrhia 

green diarrhea, resulting from excessive overeating of asparagus and other cooked green vegetables

Adam became a vegetarian and ate too many green vegetables last night. This morning he had a bad case of greenarrhia.

greenarrhia by joseph blough April 27, 2014

Project Greenberg 

An over zealous plan to build a city made entirely of Lego's. Devised in 2006 by a group of driven and charismatic individuals.

"Man, that Project Greenberg was a huge flop."

Project Greenberg by Joe E Bombz aka Bells June 28, 2013