吊膀子

diàobàngzi ㄉㄧㄠˋ ㄅㄤˋ ˙ㄗ

    • to flirt (derog.)

      dialect

Character by character

Saying俗语俗語

Idiom惯用语

Literally
hang on an arm
Meaning
To flirt, usually in a slightly disreputable way, with someone of the opposite sex.

Sources