The spelling of the word "Ullaloo" is quite unique and its pronunciation can be confusing. This word is commonly used in old Irish songs and refers to a type of lament or howl. Its pronunciation can be transcribed in IPA as /ʌləlu/, with the stress on the first syllable. The double "l" in the middle of the word represents a geminate consonant, meaning it is pronounced for a longer duration than a single consonant. So, next time you come across this word, remember its unique spelling and pronunciation!