挪屁股

nuópìgu ㄋㄨㄛˊ ㄆㄧˋ ˙ㄍㄨ

    • to shift position
    • to change one's stance or side

Character by character

Saying俗语俗語

Idiom惯用语 · Widely known

Literally
move one's backside
Meaning
To shift position, or figuratively to change one's stance or side. Informal.

Sources