Related Clues:

• Flashes; tiddly- - -
• Flirtatious signals
• Flirtatious flutters
• Attention-getters at a bar
• 41-Across, with respect to this answer's location
• Coy communications
• ;) ;) ;)
• Wife is a printer? Shows she's not being serious
• Signs that one knows about a secret
• Eye signals