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Originated from Cantonese, refer to someone who talks and talks, but never try to accomplish to what he talks. The apparent meaning means "big guy Mr Kwong", but "Kwong" also means talk in Cantonese. (YY)
A: John said he is participating the Marathon next month!
B: Nah! Impossible! He is just a dai chek kwong.

Or
A: Look, I'm gonna pick up that girl next to the bar table.
B: Go ahead, don't be a dai check kwong.
(YY)
by bjkingkong May 07, 2014
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