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A way of talking so that your mum doesn't know what you're on about.
Bwoi: "Yo momma, me is goin' down St John's wit mi posse, hang out an shark da-day."
Mam: "Errrr ... half past two?"
Bwoi: "Ehh!! Mum proof!!"
by Lord Ass June 22, 2005
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