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A Phrase Used To Express That AnInformer Is Giving Up Privy Information.
Detective: At Exactly 3 P.M. I Want Everyone At That Warehouse.We're Gonna Catch Them With That Shipment For Sure.

Policeman: How Can You Be So Sure?

Detective: 'Cause I've Got A Man On The Inside.
by DGringo October 01, 2009
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