Facebook serious
A person who turns a funny post into a long, boring comment that makes everyone want to throw up or punch them in the face.
'This post is so funny. I once had a dog. He barked at me. That was it.'
'This is hilarious. I once had a cat. She didn't like me. That was it.'
'This is funny. I once had a parrot. He said one word. That was it.'