Source:
https://scmp.com/magazines/hk-magazine/article/2037585/weedwatchers-n HK Magazine
Weedwatchers, n.
The touts on Nathan Road who try either to sell you drugs or knockoff watches, depending on how old you are.
“Hey, wanna buy some hash? Oh, sorry, sir. Copy watch?”
“Oh man, do I look that old and uncool?”