顶门棍

Traditional (Taiwan): 頂門棍

dǐngméngùn ㄉㄧㄥˇ ㄇㄣˊ ㄍㄨㄣˋ

    • person who obstructs things

Character by character

Saying俗语俗語

Idiom惯用语 · Rarely used now

Literally
the stick that braces the door
Meaning
A variant of 顶门杠: someone who obstructs things.

Sources