A disease that you get when you lack sleep.
Things like sleep deprivation or too much homework/procrastination will increase the chances of contracting LHD.
Symptoms include craziness, overhappiness, highness, wanting to cut hair off, unreasonable logic, and dancing.
Lei has contracted Lei's High Disease (LHD) and now she thinks circles are squares
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.