Related Clues:

• It may cause indignation
• Sharp hit
• Swat
• Delivery after a delivery?
• Sign of freshness
• Response to a rude remark
• Strike, in a way
• Sign of love … or rejection
• Hit with an open hand
• Response to impertinence, maybe
• Strike with the palm
• Lip sound
• Challenge to a duel, maybe
• NHL shot
• Apply, in a way (with ''on'')