2 definitions by Steele...

"Kuy" in Thai slang word is defined directly as a male's genitals. The word is rude and should only be used with close friends.

The word "Kuy" is often used in conversation as a remark/reply to someone else. Can be compared to the word "fuck you" or "ass".
Scott: Hey man, please don't ever scream, your voice sounds like a girl.
Jason: Kuy...
by Steele... September 6, 2006
In the porn industry, SOD or Soft On Demand, are classified as R-Rate porn movies. Usually the movies are censored off or would not show the male and female genital parts.
by Steele... September 6, 2006