It's a hokkien word.

Meaning:
(1) Unexpectation on something happening.
(2) Someone is too over or too much on something.
(3) too serious
(1) Gaolat! How can this happened?
(2) He is so gaolat, use aircond in winter.
(3) I was lied gao gao lat lat.
by Skaine November 14, 2007
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