Humdinger rhymes with:
aldinger, allmendinger, baldinger, bedinger, biddinger, bidinger, budinger, dendinger, eddinger, edinger, goldinger, hardinger, heidinger, koedinger, kundinger, medinger, meidinger, mundinger, readinger, reddinger, redinger, reidinger, ridinger, staudinger, steidinger, waldinger, weidinger