jabberwiki
someone who takes over a conversation with random facts that nobody cares about and are probably made up
He started talking about the number of grains of sand in the Sahara. Then he talked about the number of hairs on a squirrel's tail. Then he asked if we believed him.
She interrupted the movie to tell us the exact number of seconds in a year. Then she told us the number of seconds in a decade. Then she said, "You're welcome."
He said, "Did you know that the average dog can hear sounds up to 45 kHz? Also, I just learned that from Wikipedia. Also, I'm a genius."