Related Clues:

• The 'U' in UHF
• To the max
• Conservative starter
• 'Absolutely!'
• 'You said it, sister!'
• Wild-eyed one
• ''--- to that!''
• Fanatically committed one
• Benediction closer
• Grace period?
• Sermon ender
• Last thing said before dinner?
• Mass response
• Congregational response
• Congregation response