Marty: What happened to Stumpy Joe?
Derek: Well, uh, it’s not a very pleasant story…but, uh, he died…he choked on…the official explanation was he choked on vomit.
Nigel: It was actually…. someone else’s vomit. It’s not….There’s no real….
Derek: You know they can’t prove whose vomit it was…they don’t have the facilities at Scotland Yard….
Nigel: You can’t really dust for vomit.
This Is Spinal Tap (1984)