Godfather, scene when Michael kills the Turk and McClusky:
Tessio: "Did you do the job on him?"
Michael: "I saw his brains."
(Hmm, that may have been from the book).
EDIT: yes it was--here's the full outtake:
“Did you do the job on Sollozzo?” Tessio asked.
For that moment Michael was struck by the idiom Tessio had used. It was always used in a sexual sense, to do the job on a woman meant seducing her. It was curious that Tessio used it now. “Both of them,” Michael said.
“Sure?” Tessio asked.
“I saw their brains,” Michael said.