Green’s Dictionary of Slang

vrek n.

also vrekker

(S.Afr.) a conservative, a reactionary.

[SA]C. Hope Ducktails in Gray Theatre Two (1981) 46: All the biggest brekers in Pretoria. Battling the students. All round the Square – jollers against vrekkers. [...] Vreks. ’s what I call them ... students and clerks and fancy-pants, la-di-das and cops and toecap sandals, khaki shorts and short back and sides ... they’re always against the jollers.