The spelling of the word "gat eyeful" can be a bit tricky, but with the use of IPA phonetic transcription, it becomes clearer. The word is pronounced as /ɡæt ˈaɪfʊl/, where the first syllable 'gat' is pronounced with a short 'a' sound followed by a 't' sound. The second syllable 'eyeful' is pronounced as 'eye' (long 'i' sound) followed by 'ful'. The word can be defined as a slang term for a good look at something or someone.