mealie-muncher, n. — Green’s Dictionary of Slang

mealie-muncher n.

also mealie

[S.Afr.E. mealie, maize + SE muncher]

(S.Afr.) an Afrikaner.

1970		informants in DSAE (1996).
1998		U. Smit ‘“People” in South African English’ in Views (Vienna) 104: White-Afrikaans [...] Mealie-muncher.
2007		posting at www.noseweek.co.za Aug. 🌐 Shame on you for referring to Ronald Suresh Roberts as ‘Shuga Mon’! [...] That’s as childishly rude as referring to a Free Stater as a ‘mealie-muncher’.