Green’s Dictionary of Slang

an all-purpose term for any unspecified African state; thus ooga-booga as adj.

1996		Onion XXIX:20 5 Jun. 🌐 I can’t understand a word she says, with her ooga-booga tortilla-village talk.
2001		N. Liebmann ‘George W. Bush: Uphill Skier’ in Ether Zone 9 Aug. 🌐 Instead, he occupies himself with [...] underwriting the despotic regime of the Shaman of Ooga Booga Land.