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1.
A phenomenon which occurs when smoking weed, or chonging.

1. When said individual has consumed enough marijuana that their eyes have shrivelled into slits, they are said to be 'hong kong chonging'.

2. A name given to an individual who regularly experiences this phenomenon

Derived from the similar appearance of slitty weed eyes to those of east asians
1.

John - 'yo, look at Jim his eyes have got so small'
Mike - 'Yeah man, he's Hong Kong Chonging!'

2.
Jim - 'Hey man let's smoke some weed then watch a movie'
John - 'Yeah whatever, you are gonna be able to see the movie after you become Hong Kong Chong!'
by LADIATOR May 05, 2012