zub

noun
  1. A slang term for a person who is overly enthusiastic or obsessive about a particular subject or activity, similar to a 'geek' or 'nerd'. noun
    He's such a zub when it comes to comic books; he knows every single character by heart.
    The zub in her couldn't resist attending the tech conference, even though it was halfway across the country.
  2. A fictional or humorous term used to describe a small, insignificant object or creature. noun
    I found a tiny zub in the corner of the attic; it looked like a cross between a mouse and a dust bunny.
    The children invented a game where they had to catch imaginary zubs hiding in the garden.