糨糊缸

jiànghugāng ㄐㄧㄤˋ ˙ㄏㄨ ㄍㄤ

    • muddled, confused head
    • mind that understands nothing

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
paste jar
Meaning
Said of a head that is muddled and confused, understanding nothing. Mocking; compare 'a head full of mush'.

Sources