Telfurtian 

having or showing Telfurt, especially of a high level.
"Annabelle is telfurtian and hardworking"

"Using made-up words in conversation will help you sound more telfurtian than usual"

Telfurtian by CaitlynWasTaken April 24, 2022

Tellurian 

Earth Dweller - as in Martian, being a being from Mars. From the Greek Tellus, meaning Earth. It's the one word that describes us all as one.

The Alien asked - "what are you"? He said "I'm a Tellurian"

Tellurian by Ruffian June 14, 2007

Telfordian Tundra 

A micro climate so severe it makes the antarctic look like a summer holiday in Navarre Spain.

Christ on a bike, Sams just rung in, despite his Nissan Bavaria the Telfordian Tundra has reduced his semi capable 4x4 into a wheel spinning machine! We won't see that kid until the big thaw!

Telfordian Tundra by Vorest-avenger December 16, 2021