The word "GLURB" is a made-up word with no inherent meaning. However, its spelling can be explained using IPA (International Phonetic Alphabet) transcription. The first syllable "GL" is pronounced with a voiced velar stop: /ɡ/. The second syllable "UR" uses a short vowel schwa sound followed by the voiced alveolar approximant: /ɚ/. Finally, the last syllable "B" is pronounced with a voiced bilabial stop: /b/. Therefore, the IPA transcription of "GLURB" is /ɡlɜːrb/.