Possible Clues:

• That's one way to give one lip
• Jack is simply showing a light touch
• Plant one on
• This is so touching in Little Kay's salute
• Popular version of a design principle acronym spelled out by the starts of this puzzle's four longest answers
• SWAK part
• Lip smack
• Request of a frog in a fairy tale
• Prince song with the line 'You don't have to be beautiful to turn me on'
• New Year's Eve action