1 definition by Lalanda

Top Definition
Vatican Cameos is what Sherlock Holmes, from BBC Sherlock, shouts to John Watson when he’s finished opening Irene Adler’s vault and realizes it’s a booby trap (s02ep01). When in danger Holmes says a cue so Watson knows how to react properly. It’s their “safe word”.
Sherlock shouted "Vatican Cameos" and Watson threw himself on the floor without even thinking about it.
by Lalanda February 18, 2012

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