butterfly kiss

noun2

1. •
   Fluttering one's eyelashes against someone's skin.

   • She worked her eyelashes and made butterfly kisses on my cheeks. — 1940
2. •
   A very light kiss.

   • Alexandros kisses her goodbye, a butterfly kiss on the lips, Aloé kisses her the same way. Beautiful child, Ethel thinks. Goodbye, Alexandros. — 2005