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.
The point at which a turd has began its journey to freedom, just before becoming the turtles head one may consider themselves to have a man on the inside
"Jerry seems to be walking funny" "that's because he has a man on the inside"