Top Definition
A "theory" (lacking evidence, it should be called a myth) of the Earth's shape that is incongruent with the common understanding of the Earth and other planets in the universe, is unfounded, and contrary to gravity and basic laws of physics.
Flat Earth is believed mostly by conspiratards. It asserts that the Earth is a flat disc.
People who believe in this defend their assertions by calling any factual evidence of the Earth's spherical shape fake, and by using biblical verses and psuedoscience to contrive an argument.
We really live on a flat earth. NASA's satellite images are just fake to promote the evil researchers' NWO agenda.
I have no idea how a satellite works
I have never been on an airplane
I slept through 8th grade science class
by potato_in_my_anus January 30, 2016

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Lotsa space for your liquids.

Buy the mug

The Urban Dictionary Mug

Your favorite word on a white mug.

Create a mug

The Urban Dictionary Mug

One side has the word, one side has the definition. Microwave and dishwasher safe. Lotsa space for your liquids.

Buy the mug

The Urban Dictionary T-Shirt

Soft and offensive. Just like you.

Buy the t-shirt

The Urban Dictionary T-Shirt

Smooth, soft, slim fit American Apparel shirt. Custom printed. 100% fine jersey cotton, except for heather grey (90% cotton).

Buy the t-shirt