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A cantonese phrase that literally means 'poke at your lungs'. English equivalent can be piss off, fuck off, fuck, shit, shut up, etc. Also abbreviated to Ding.
Hongkie A: Hey your mother is fat.
Hongkie B: Ding lei gor fay! So is your dad!

Hongkie Boyfriend to late girlfriend: Ding lei gor fay, how many times do I have to tell you to be ready when I come over.
by W_DRagon May 05, 2005