jappa-jappa, adj. — Green’s Dictionary of Slang

jappa-jappa adj.

[? Yoruba jaba-jaba, higgledy-piggledy, Krio jagbajagba, worthless stuff]

(W.I.) rough, indifferent, esp. of work or personal appearance.

2001

BluNeptune Diaryland.com 10 Sept. 🌐 Over all it was a nice day, now im changing my cds to mds...how jappa jappa is that?