A kid or teen, usually American, who wants to become Japanese. They spend most of their time watching anime, reading manga, and playing video games. They think that they know so much about japanese culture, but in fact know practically nothing. The easiest way to spot a weaboo is through the way they talk. They will over use many Japanese words including
And that's about it.
Weaboo: OMG! SUGOI KAWAII DESU!!
Other person: not another weaboo...