hover hand

noun2

1. •
   A hand awkwardly hovering over a companion's body during a group photograph, often seen as indicating a lack of confidence or a fear of being accused of sexual misconduct.

   • "It's for the best,” Carter said. "Because whoever ends up standing beside me won't be getting the ol' hoverhand. I'll be grabbing that ass with gusto." — 2014
2. •
   Hover hands in general.

   • "Hey," he said, mustering the bravery to provide some comforting hoverhand just above her shoulder. — 2017