1. A popular horror movie about a young F.B.I. cadet has to use the the help of an incarcerated and manipulative cannibal killer to help catch another serial killer, a madman who skins his victims.
2. See "Pit Guy" popularized by How I Met Your Mother
Labrador Retrievers are the sweetest dogs EVER, that is until you mess with them. If you mess with a Labrador Retriever, it is NOT gonna be good for you. At all.
1) This phrase refers to any event where innocent person(s) were taken quietly and unassumingly to their deaths without the people who know them discovering about it until after it happened.