In case of fire break glass
In case of glass fill with water
In case of water fetch umbrella
In case of umbrella beware of Mary Poppins
In case of Mary Poppins change channel
In case of channel board ferry
In case of ferry promenade on deck
In case of deck cut, shuffle and deal
In case of deal shake hands
In case of hands clap
In case of clap see doctor
In case of doctor put out tongue and say ‘Ah’
In case of Aaargh! collapse and suffer breakdown
In case of breakdown abandon vehicle and call cab
In case of cab ply for hire
In case of hire break glass.