Stands for Restlessness Disease. R.D. is a a person who can not stop moving and must touch everything. But an R.D. can also be a good friend.
Friend 1 starts to play with his pen clicking it repeatedly.
Friend 2 "What are you doing?"
Friend 1 "Sorry I had an R.D. moment."
A black man with flavour and style, originating from a man of the east coast.
Jerome the real R.D.