(metaphor) all grown up and independent; to have their own skills; to be able to stand on one's own feet; to not be reliant on others anymore and to have their own ideas about things 1.
Definitions (粵典–words.hk)
形容詞
泛指人已經大個咗,可以自給自足,有自己嘅圈子 (lit.) to have feathers and wings; (fig.) (derog.) to have grown up
而家大喇,有毛有翼,曉飛啦!唔使理屋企啦?
而家大喇,有毛有翼,晓飞啦!唔使理屋企啦?
ji4 gaa1 daai6 laa3, jau5 mou4 jau5 jik6, hiu2 fei1 laa1! m4 sai2 lei5 uk1 kei2 laa1? Now you're grown up, you've got feathers and wings and you can fly! You don't care about your family, huh?