wink back

Translations
подмигнуть в ответ
He decided to wink back at her during the meeting.
Он решил подмигнуть ей в ответ во время встречи.
Definitions
To respond to someone who has winked at you by also winking, often as a playful or flirtatious gesture.
Words
wink

verb
подмигнуть
back

adverb
в ответ