A person that was born in the country of China (also referred to as a chinaman) who is very wise and has a vast knowledge of mathematics or any other logical subject. This person is always consulted in mathematical or logical questions and they have a habit of helping everybody out either you want there help or not. This is like the Mr miyagi from the movie karate kid who had a vast knowledge of karate.
Fuck that Sam ling from chem and calculus, hes such a fucking Mr Miyagi. Hes always helping jessica the girl that i want to fuck everyday and night.