糟豆腐

zāodòufu ㄗㄠ ㄉㄡˋ ˙ㄈㄨ

    • a weak, useless person who falls apart easily

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
mushy, dregs-soaked bean curd
Meaning
A weak, useless person who falls apart easily. Contemptuous.

Sources