Penang Hokkien has a rich repertoire of words to mean crazy. Here's a list of them. All of these can be used as interjections, though each may have its own, more precise meaning, which you can look up in the Penang Hokkien Dictionary.
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Please use the information on this page as guidance only. The author endeavours to update the information on this page from time to time, but regrets any inaccuracies if there be any.