Possible Clues:

• 'That's disgusting!'
• "Ick factor 10!"
• Reaction to the starts of the five longest puzzle answers
• 'Ugh!'
• "That smells horrible" reaction
• 'That smells horrible' reaction
• 'That tastes bleah!'
• ''Gross!''
• "How disgusting!"
• 'Gr-r-ross!'