Tumbledung is not a commonly used word in English. Its spelling is unusual and can be explained using IPA phonetic transcription. The word is spelled as /ˈtʌmbəldʌŋ/ in IPA, with stress on the first and third syllables. It is pronounced as tumb-uhl-dung, with the "uh" sound in the first syllable and "uh" and "u" sound in the second and third syllables, respectively. The word is likely a combination of "tumble" and "dung" and might refer to a pile of dung that has been knocked over or scattered.