Green’s Dictionary of Slang

(S.Afr.) a general response (usu. ironical and resigned) to any form of information; fair enough, what can I say? that’s life.

1996		CyberBraai Lex. at www.matriots.com 🌐 Jawelnofine. This is another conversation fall-back word. Derived from the four words ‘yes’, ‘well’, ‘no’ and ‘fine’, it means roughly ‘how about that’. If your bank manager tells you your account is overdrawn, you can say with confidence: ‘jawelnofine’.
2002		‘Update’ Gomberg Kite Productions 24 Apr. 🌐 ‘South Africa is Lekker!’ As the plane came in, I looked out the window and exclaimed, ‘Jislaaik! That’s a hang of a mountain, hey!’. Susan looked up sleepily and replied, ‘Jawelnofine.’.