A person who reveals certain embellishments of another person’s comedic story or joke thereby making the comedy less funny. This act is sometimes done intentionally (stating facts) or accidentally (asking too many questions).
I understand that bananas can’t knock on doors! Stop being such a comedy goalie!
When one exits the restroom with a lengthy piece of toilet paper stuck on the bottom of their shoe.
Albert walked out of the restroom with a very lengthy Tile Comet on his right shoe. He tried to use his left foot to remove it, then ended up with a Tile Comet on his left shoe as well.