noun
thrown kiss; blown kiss; air kiss
A kiss gesture made by kissing one's hand and then blowing or throwing it toward someone, often used in a playful or affectionate way.
アイドルがファンに投げキッスをした。
The idol blew a kiss to the fans.
彼女は恥ずかしそうに投げキッスを送った。
She shyly threw a kiss.