灌黄汤

Traditional (Taiwan): 灌黃湯

guànhuángtāng ㄍㄨㄢˋ ㄏㄨㄤˊ ㄊㄤ

    • to drink alcohol, usually heavily

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
pour down yellow soup
Meaning
To drink alcohol, usually heavily. Colloquial and a bit disapproving or humorous.

Sources