Possible Clues:

• Great and good tucked into alcoholic beverage found in grass
• Hanging around back of these must be punitive
• Huge energy used in dancing
• Change of heart with funny looking Inge provides serious unpleasant effect
• Drastic going from side to side, point accepted
• 13 across is what's hanging around what's 20 across
• Hanging around Spain is punitive
• Being hanged after swallowing drug? That's very severe
• Painfully severe (cuts, fine)
• Thumping son, husband leaves complaining peevishly