There are people out there in the dark reaches of the internet that believe that the Earth is flat. Flat Earthers. If you want to troll them, get this tee shirt that reads, "Round Earth Shill" with a dollar sign for the S!
This Flat Earther satirical shirt will have your friends laughing. Pretend that you are a round earth shill and drive flat Earthers crazy! Or better yet get one as a gift for the flat earther in your life! Enjoy the satire today!