Possible Clues:

• 'Worshipped the Beloved with a --' (carol)
• … lip service from 27
• 'Farewell, farewell! One ___ and I'll descend': Romeo
• Acknowledge mistletoe overhead
• Touch one's son on back of neck
• One often involves four lips
• Gently touch koi (as is oddly necessary)
• "Hotter Than Hell," at one time
• Just touch pink, say -- or pins, if ----------
• That one's sure to give one lip