A person, often a fan of some
British-
based series such as Doctor Who or Harry Potter or Sherlock, who is to British culture what a weeaboo is to Japanese culture - that is, they want to be so engulfed in
English culture that they shit the Queen.
Mark is such a teaboo. I mentioned Doctor Who offhand when I was next to him, and Mark instantly
rattled off his theory that
Severus Snape was a Time Lord while drinking
two liters of Earl Gray. Then he sped off, but not before whispering in my ear the URL for his tumblr page.