Green’s Dictionary of Slang

(S.Afr.) never! absolutely not!

1911		Blackburn & Caddell Secret Service in S. Afr. 70: He passed the detective office and whispered ‘Ikona’ – that most comprehensive negative in any language – to the native constable at the door.
1959		G. & W. Gordon (trans.) in Ventert Dark Pilgrim 102: ‘Aikona!’ He shakes his head with a decisive gesture. ‘You take the money; I take the baskets.’ [DSAE].
1969		A. Fugard Boesman and Lena Act I: boesman: You mean that day you get a bloody good hiding. lena: Aikona! I’ll go to the police.
1970		J.H. Beaumont The Great Karoo (1983) 36: ‘Aikona,’ she said. ‘I stay to tell the hail to go away. Look.’.
1973		J. Carlson No Neutral Ground 49: ‘Aikona’ (Oh no), said Innocent.
1975		J. McClure Snake 34: Aikona, these are very simple people.
1982		P. Slabolepszy Sat. Night at the Palace (1985) 15: september: Aikona. vince: Don’t ‘aikona’ me, my china. Your tickey box swallowed my money.
1989		J. Hobbs Thoughts in a Makeshift Mortuary 32: ‘Aikona!’ says the old woman.
1991		P. Slabolepszy Braait Laaities 8: I know what you thinking, you thinking – This guy–? Aikona! [DSAE].
1993		P. Slabolepszy ‘Mooi Street Moves’ Mooi Street (1994) 253: Aikona! Fani Madida – ai!