Marty: What happened to Stumpy Joe? Derek: Well, uh, it's not a very pleasant story...but, uh, he died...uh...he choked on...the ac- the official explanation was he choked on vomit. David: He passed away. Nigel: It was actually, was actually someone else's vomit. It's not.... David: It's ugly. Nigel: You know. There's no real.... Derek: You know they can't prove whose vomit it was...they don't have the facilities at Scotland Yard.... David: You can't print, there's no way to print a spectra-photograph... Nigel: You can't really dust for vomit.

(Spinal Tap)