Possible Clues:

• An alternative to 'strength' and 'schnapps' as an eight-letter word with one vowel
• Display of emotions unknown after Southern church clamps down on liquor
• Whisky smuggled into school with unknown sloppiness
• Sloppiness in school unknown, introduction of mentoring key
• Topless dance after separation is out of sentimentality
• Showbiz sappiness
• It sickens mum, accepting a hundred whiskies from dictator
• Cheesy art or music
• Overly sentimental stuff
• Sentimental entertainment