"Then Kolokolo Bird said, with a mournful cry, 'Go to the banks of the great grey-green, greasy Limpopo River, all set about with fever-trees, and find out.'"
Remember David Astle? Well, one thing guaranteed to piss off crossword mavens, apart from a clue which is a complete fiasco, is a wrong clue:
The answer is Limpopo: burst = pop, into wheels of fortune = limo. Pretty good clue, as it happens, except that the Limpopo is a banker in Africa, not South America.