Sheep's Trenchcoat

Mafia terminology that refers to wacking a guy. No, not like the sexual term, we mean killing a guy.

Anthony: Aye Eddie, ya give Herman his sheep's trenchcoat?
Eddie: Yes, the finest in town, but in a killing way because I killed him real good.
Anthony's Wife: Anthony are you out handing out sheep's trenchcoats again?
Anthony: Yes wife that I have.
Wife: Well done husband of mine I love you by the way.