A phrase that is utilized to
express positiveness, a guarantee, or
just general "knowing" of a person, subject, or event.
Jake: "Was the
party at
TJ's really as cool as everyone said it was?"
Dre: "Hell yeah man. Everyone was having a good time."
Jake: "Man, for real? And I missed it?!"
Dre: "Rest Assured Jake. You missed more than you'll ever know..."