2) When repeated may be used as an incantation. Often used in "magical thinking" or to cast a spell upon an unsuspecting innocent.
3) Also, a political exultation upon entering a room in triumph like a Caesar. Or a simple greeting between two people who have not seen one another for some time.
Yeah, Fucquis Chenem Dicquat. Amen to that brother.
As an incantation: Sue said her Fucquis Chenem Dicquats every night before going to bed, believing it would charm Jed into asking her out on a date.
As a political exultation of triumph: As the votes were being counted, the Democratic candidate wanted to greet his supporters with Fucquis Chenem Dicquat!