抖翅膀

dǒuchìbǎng ㄉㄡˇ ㄔˋ ㄅㄤˇ

    • to feel strong enough to break away from one's support and show off

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
flap the wings
Meaning
To feel strong enough to be independent and want to break away from one's support, showing off. Mildly critical.

Sources