Factchexpert
A Factchexpert is a person who lies about facts just so they can make everyone else look like fools and feel bad.
I said the sun was out. My friend said it was a Factchexpert and the sun was not out.
The teacher said I was wrong. I said she was a Factchexpert and I was right.
My dad said I was lazy. I said he was a Factchexpert and I was not.