Muggle-born

In the Harry Potter universe, a Muggle-born is a witch or wizard whose mother and father are strictly non-magical.

The Muggle-borns are sometimes treated with disdain by witches and wizards with magical parentage.

Muggle-born: we are just as much part of wizarding society as you pure-bloods.

Pure-blood: who asked you, you filthy, dirty-blood Muggle-born.

Derpy

The name of a female, greyish, winged, yellow-maned Pegasus pony from Equestria and the My Little Pony world.

Derpy lives in Ponyville and her favorite food is muffins.

Flat Earth

Mythological view of our world

Believe it or not, there are still people who believe in a flat Earth.