GREENIE
Etymology
Noun
greenie (plural greenies)
(chiefly, Australia, New Zealand, slang, often, derogatory) An environmentalist; someone who shows concern for the environment.
(Australia, by extension) A member of the Green Party.
(US, Wyoming, derogatory, slang) A person from Colorado; after the color of the Colorado license plate.
An unripe fruit.
(US, slang) A beginner, a novice.
(informal) A small, green object or creature.
(slang) A blob of nasal mucus; a bogey.
(US, slang) A tablet of amphetamine.
Synonyms
• (environmentalist): tree hugger
• (novice): greenhorn, tyro
• (amphetamine tablet)
Source: Wiktionary