fen cheong 

stupid idiot in Cantonese.
Widely used in Hong Kong

Jayson Poon is a fen cheong.

fen cheong by Wah Lung August 23, 2003

fenchongo

to do the fenton.
ie
to be sick, always on the biff, not able to do things.

he is fenchongo,

he cant do anything

fenchongo by dave fenton November 5, 2006