Black females with natural hair (hair that has not been relaxed) who believe that it is their responsibility to harass and scold other black women who choose to still relax their hair.

These women are often condescending and highly judgmental.
Shannon: You should go natural and stop being a slave to the creamy crack relaxers.
Cynthia: I prefer my hair relaxed, I like the straight look.
Shannon: The "man" has you brainwashed, stop conforming to his standards!
Cynthia: Umm, no, I just prefer a relaxer. Geez, you're such a Natural Nazi!
Shannon: Whatever, Uncle Tom!
by Naturalista July 4, 2011
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Any person who is out to save "mother earth". Usually, these people come in the form of hippies, bunny lovers, and tree huggers. Nature extremists. They hate SUV's, any type of offroad vehicles (i.e. dirtbikes, quads), and dune buggies. If it means we can't build a house because it'll take away the habitat of a fucking tree frog, they're all for it. They're usually jobless and "live off of nature". Sometimes they're referred to as "homeless". Except for the rare ones like Al Gore.
We can't go trailriding because those tree hugging, bunny thumping, nature nazi's were whining that they saw a screach owl in the woods and we might give it a heart attack and cause it to become extinct.
by Foster420 February 22, 2007
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An intolerant, hyper-extreme environmentalist that believes human beings and the human-built environment has no place on the planet. Rabidly opposed to the idea that cities contain people, buildings and commerce, and uses endless legal action to block development to turn every square inch of land into a nature reserve or swamp grass stormwater basin. Fanatical about preserving every tiny obscure element of the environment, while has an inability to "see the forest for the trees" and that their larger actions are actually significantly more harmful to the planet. Could care less about habitat for human beings to live but is fanatically obsessed with the habitat of some obscure newt or owl. Driven by fanatical ideology and blind opposition than a concern for proven solutions that actually help the environment.

Not to be confused with a sane rational environmentalist that tries to minimize waste and human's negative impacts on the planet.
That Nature Nazi has litigated the construction of a trolley line over a 50 ft stretch of wetland because it might cast an 8 ft wide shadow on the swamp.

A Nature Nazi just blocked a new three-story mixed-use apartment building next to a subway station because it might result in the loss of a single tree planted 15 years ago.
by ponchoes April 7, 2019
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