A more recent addition to the numerous abreviations to the English language used in AIM / MSN / online gaming speak (or 1337 as it has been dubbed). Stands for 'fuck knows'.

"Fucking Kiddie Site" ...used to describe any website oriented toward kids. More specifically, any site with content directed toward people deemed younger or less mature than the per [..]

Foreign Keyboard Syndrome. The feeling one gets from using a keyboard that is not similar to theirs.

Fat Kid Syndrome- of or relating to the continual need or burning desire to indulge and gorge oneself in a multitude of delectable, ingestible items, which if not treated or satiated stat could result [..]