Reasonable Doubt

Jay Z
Dead Presidents II
sixty-eleven/eleven-sixty is an unknown large quantity, dough is a slang term for money and Tae-Kwon-do is a martial arts fighting style. He is saying that he has lots of money.
Dead Presidents II
"Catch me in the joints" = Spot me at the club (more than likely a very exclusive club) "Convinced my Iguanas is Bitin" = Note my iguana skin shoes & the immaculate condition they are in.