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Literally used to describe a member of the triads, but can also mean an asian gangster.
"Some goo wak jai jacked my car."
by Manuela January 29, 2005
Happy St. Patties Day!
Cantonese for a wiseguy or a smartass, but in modern context it means someone who's a triad member. In English however it's used in a derogatory way for someone that thinks they're tough and cool, when they're really not.
Oh, look it's Mike, the goo wak jai.
by aes January 10, 2004
Happy St. Patties Day!