Flerf

1. A person that cannot understand how science works; also known as a flat earther.

2. An unbelievably stupid person, most likely named Randal, that is a closet narcissist and most likely eats babies and children.

"I had a conversation with a co-worker today, and I tried explaining that it's literally impossible to see curvature with the human eye and that's when I realized they're a flerf."