Top Definition
Simply means "your mum is". It is an vietnamese sound translated to english language. Originally used by the members of the NA gunz clan HondaR (BertyR and __VT__). Often used when they are disapointed.
A hacker enters the gunz room, __VT__ says me gu may!
by BertyR April 16, 2007
5 Words related to me gu may

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