Lisan al Gaib

Background: A phrase used in the movie "Dune: Part Two" meaning "Off-World Prophet" or "Messiah". It was chanted each time Paul Atreides had proven himself in his role as their savior.

Meaning: In pop culture, it is used to describe someone who is, in that moment, at their peak.

Person 1: "He made the Jump!"
Person 2: "Lisan al Gaib!"