A bad word in chinese known as "fuck".
A insult to another person in cantonese.
"diew lay lo mo!" the old fasion -Fuck Your Mother !
"diew hai!" fuck pussy !
"diew lay !" FUCK YOU !
It means "Fuck" in the streets. If you want to say fuck You, it is "Diew Lay". It does not mean fuck as in sex. It is just a curse word.
"Diew Lay, you bastard, Dennis"