Definitions by Mr.Lau

JM9 

jm9=jo mud 9 (gau)
It's a new net language in HK Cantonese means that ''da fuck r u doing?''

jo mud means what's going on/happening?

9(gau) usually means dick, but in here it refers to tf

A Chinese tourist was traveling in HK,and suddenly he shouted in the street: Hong Kong belongs to China!

Then two Hongkongers passed by,
Hongkongers A: Diu...jm9?
Hongkongers B: Who cares! he's on99.

JM9 by Mr.Lau January 13, 2018