Possible Clues:

• 'Must've been something ___'
• "Must have been something ___"
• 'Must be something ___'
• "I can't believe ___ the whole thing!"
• 'Must've been something __'
• 'It must be something ___'
• 'It must've been something ___'
• '___ it up and spit it out' ('My Way' lyric)
• ''It must have been something ___''
• ''I can't believe ___ the whole thing!''