Green’s Dictionary of Slang

(S.Afr.) a male flight attendant.

1985		in J. & W. Branford Dict. S. Afr. Eng. (1987).
1997		Electronic Mail & Guardian 15 May 🌐 A hilarious discussion with ‘a koffie-moffie’ about the mile-high club and how he’s seen passengers ‘doing it’ simply everywhere on the plane.
2003		K. Cage Gayle.
2005		A. Lovejoy Acid Alex xx: Shake hands with the kikkervreter koffie-moffie. He’s attended to you the whole flight.