What does Mamasan mean in Chinese?

mā ma sāng. mama-san, middle-aged woman who runs a brothel, bar etc (loanword from Japanese) madam.

In Thailand and the Philippines, mamasan is commonly used to describe a woman who manages the female workers in bars and brothels.

mama san pidgin used by American servicemen for any older Vietnamese woman MARS. Military Affiliate Radio Station. Used by soldiers to call home via Signal Corps and ham radio equipment.

Noun. mamasang. a madam, a brothel keeper.