Green’s Dictionary of Slang

an excl. of negation or anger.

1972		B. Rodgers Queens’ Vernacular 120: kaka [...] 3. an explicit negation = don’t. 4. (exclam) a curse ‘Oh, kaka! I burned my finger on his hot pans!’.
1987		S. King Misery (1988) 168: Lawyers! Quarterly payment, he says! Overdue! Cockadoodie! Kaka! Kaka-poopie-doopie!