烂豆腐

Traditional (Taiwan): 爛豆腐

làndòufu ㄌㄢˋ ㄉㄡˋ ˙ㄈㄨ

    • weak, spineless person
    • useless person

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
rotten tofu
Meaning
A weak, useless person with no backbone. Contemptuous.

Sources