In MSN slang, "mok" is an abbreviation for "mock." It is often used to indicate teasing or making fun of someone in a light-hearted manner. The term reflects the playful banter common in online chats, especially among friends.
yea boy
mok mok is a Tibetian name for the food- momos(whittish flour outer surface and stuffed chicken inside).
Mush Just means Guy/boy/msn whatever , example.....look at that mush , or owrite mush
If you mean slang as in internet slang, then it means "Certified Old Fart".
Mok Mareth was born in 1948.
Ta Mok was born in 1924.
Ta Mok died in 2006.
Clement Mok was born in 1958.
Charles Mok was born in 1965.
Judith Mok was born in 1958.
Heo Mok died in 1682.
Heo Mok was born in 1595.