膿包子

Simplified: 脓包子

nóngbāozi ㄋㄨㄥˊ ㄅㄠ ˙ㄗ

    • useless person
    • weakling
    • coward

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
a pus sac
Meaning
A useless, worthless person, especially a weak or cowardly one. Insulting.

Sources