Possible Clues:

• "If only I could __ that"
• Wipe from memory, as an unpleasant image
• "I wish I could ___ that"
• 'I wish I could ___ that'
• "Ugh, I'll never be able to __ that!"
• "Eww, I wish I could ___ that"
• 'Eww, I wish I could ___ that'
• 'I wish I could ___ that' ('Gross')
• 'I wish I could ___ that' ('Ick')
• "Erase," as a gross image