Manners have long been a source of tension in the southern Chinese city, with Hong Kongers routinely complaining about what they see as the unrefined social habits of their “nouveau-riche” mainland counterparts.
According to the Standard newspaper, the incident occurred over the Lunar New Year holiday at a time when mainland tourists flock in large numbers to shop in the former British colony, the Age reported.
The mother, who allowed her son to relieve himself in a bottle which she normally carries for such purposes, wrote in an online forum that she and her family got very depressed after a female waitress pointed out at them.
Meanwhile, her complaints met with little sympathy in Hong Kong, where locals have expressed a growing unease about their relationship with the mainland and its increasing financial and political influence.
In Pictures: Sex scandals involving Indian politicians
Photos: Sports stars who shocked the world with their retirement
Photos: Abhishek Bachchan and Farah Khan at Boman Irani's birthday bash
Spotted: Shah Rukh Khan at Morani's bungalow in Mumbai
Spotted: Sonam Kapoor and sister Rhea at Mumbai airport