An expression which adds a positive emphasis to an idea. It
can mean "cool" or "fantastic" or "you-got-it". Very popular in the '70's when Isaac Hayes hit record "Shaft" used the
expression in its lyrics.
This phrase is used a lot at the fast food chain ‘In ‘N Out’. If you listen closely to the employees inside they are always saying it to each other instead of saying yes or okay. Sometimes they will say it to the customers as well.