Real = True, exact, no fault, no
fake, thrust worthy, clear, absolute etc.
Deal = contact, transaction, barter, exchange etc.
Real Deal = what you are getting is excellent in the above ways
Fred is a real deal type of
person, he'd never let you down. Fred is a
real-deal man.
When George is given a mission, he's always making sure the assignment is perfectly accomplished. George is a
real-deal man.