Geek Definition

1.A person who is interested in technology, especially computing and new media.

2.A person who has chosen concentration rather than conformity; one who pursues skill (especially technical skill) and imagination, not mainstream social acceptance.

3.A person with a devotion to something in a way that places him or her outside the mainstream. This could be due to the intensity, depth, or subject of their interest.

http://mac.6.cn/topic/view/1220/1.html