Related Clues:

• Certain losing line
• Cat's game row
• Unhelpful noughts-and-crosses line
• Affectionate sign-off
• Worthless tic-tac-toe row
• Affectionate letters at the end of a letter
• Kiss before hugs, in a way
• Failing tic-tac-toe row
• Losing row in tic-tac-toe