Borrowed from Afrikaans vrot (“rotten”).
vrot (comparative more vrot, superlative most vrot)
- (South Africa) rotten
- 1979, South African journal of science (volumes 75-76, page 399)
- The mycologist Raper found and isolated one of the very best strains of penicillin-producing fungus happily growing on a vrot spanspek at his local greengrocer […]
- 1994, Ella Mary Macphail, Ugogo and other stories from South Africa (page 33)
- The leader who was a bit older than the others - his two front teeth were missing - kicked her legs when she caught him and he said she was a vrot banana also because she was a girl also.
From Dutch verrot, past participle of verrotten. Compare also verrot, from the same source.
vrot (attributive vrotte, comparative vrotter, superlative vrotste)