Yabbadabbadoo rhymes with:
badu, adieu, ado, badu, pas-de-deux, adieu, ado, badu, chengdu, deux, dew, do, doo, douwe, du, due, katmandu, ledoux, long-overdue, outdo, overdo, overdue, pas-de-deux, perdue, purdue, redo, seydoux, subdue, undo, undue, urdu