someone who is a loser/outcast, Gook can be used as an insult in any context.

A term coined during the Korean conflict (more commonly known as the Korean War), referring to one of Asian state who has a penis smaller than four centimeters (2.3 inches) and loves rice, and taking photographs of larger penises.

a smell Asian person

To drop off a mexican or spanish orphan at a persons house while there not there. Then you come back when the person gets home and give him adoption papers and run out of there.

A Japanese person who is intensly good at video games, mainly nintendo.

Most "Gooks" can play the nintendo DS without the use of the stylus (using only their eyes).
This is due to them playing video games since for over 4000 years.

Gooks can also move things with their mind as they are superhuman.

kooked (acting crazy while completely sober) and geeked at the time

A retarded bitch