灌米汤

Traditional (Taiwan): 灌米湯

guànmǐtāng ㄍㄨㄢˋ ㄇㄧˇ ㄊㄤ

    • to flatter
    • to butter sb up

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
pour rice water into someone
Meaning
To flatter someone with sweet talk, usually to win a favour. Critical or mocking. Close to "butter someone up".

Sources