Related Clues:

• A surfer rides one
• Say "hi" without saying "hi"
• Say "Hi" silently
• Eyelash tool
• An undulation of the hair
• What starts with a very enthusiastic greeting
• Nonverbal "Hi!"
• Signal put aside, reportedly?
• Surfer's curl
• Swell for a surfer
• San Diego's NWSL team, or an ocean motion
• Say hello quietly