Green’s Dictionary of Slang

1. (S.Afr.) a member of the educated middle class.

1963		Wilson & Mafeje Langa 172: What strikes townsmen is the difference in speech and manner between migrants and ooMac, or ooMac and ooscuse-me, not the difference between Xhosa and Thembu. The relationship in Langa between ikhaba and ooMac on the one hand, and ooscuse-me on the other, is directly parallel to that between ‘corner boys’ and ‘college boys’ in Chicago. [Ibid.] 15: The urbanized [...] Townee or tsotsi type, further divided on basis of age into ikaba and ooMac. ‘Decent people’, some of who form an educated middle class – the ooscuse-me – and others the respectable lower class. [Ibid.] 26: The educated people are referred to by others, somewhat derogatorily as ooscuse-me, and accused of being aloof and conceited.
1977		J. Sikakane Window on Soweto 9: The ghetto dwellers generally refer to Dube Township as [...] the place of the ‘excuse me’s’ because the African intelligentsia reside there.
1982		M.V. Mzamane Children of Soweto 153: Other people called them Bo-Excuse-me because they were always putting on dainty manners.

2. attrib. use of sense 1.

1980

S. Sepamla ‘King Taylor’ in Mutloatse Forced Landing 83: In the backyards ‘ugologo’, the drinking of kaffir-beer . . .From the front door the excuse-me-people play music called jazz.