Meaning : To indicate an intended kiss from a distance, usually in bidding farewell, by kissing one's own fingertips and moving the hand toward the person greeted.

吹或扔一个吻， 表示从远处送个有意的吻， 通常在道别时，亲吻自己的指尖并把手挥向道别的人。

youdao

There was one scare when Tendulkar appeared to edge leg-spinner White an inch over Hayden's outstretched fingertips at slip.

BBC: Indian batsmen defy Australians