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A Filipino slang expression similar to omg. Can be used in both a positive and negative manner. Used in informal coversations generally between friends socializing.

Is both like 'Oh my God' or 'Oh my gosh.'
Hay naku! grabe! ganda ka talaga (omg, damn/wow you're really beautiful.)

hay naku! bakla ka? haha. (omg, you're gay? haha.)

hAY NAKU!!! ur sooo pangit!!!! (OMG!!! ur sooo ugly!!!)
by ShawnLyn December 02, 2009
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