FBI AGENT 1: "Who's the SAC of the LA field office?"
FBI AGENT 2: "Oh, it's Special Agent Morris."
Girl 1: (seeing an episode of NCIS her friend is watching) "Give me a rundown of who's who on NCIS."
Girl 2: "Well, Mark Harmon is Jethro Gibbs, the Supervisory Special Agent in Charge of the Major Case Response Team, the super hottie Michael Wheatherly is Senior Field Agent Tony DiNozzo, Cote DePablo is Special Agent Ziva David who was a former Mossad liaison, Sean Murray is Special Agent Tim McGee, Pauley Perette is the awesome Goth forensic specialist and David McCallum is Donald "Ducky" Mallard, NCIS's Chief Medical Examiner along with Brian Diezen as Jimmy Palmer, Ducky's assistant. Got that?"
2. A persons private space, area, or way of life.
2. Dude why are you all over his sac, he told you the story already, get off his sac.