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This word can have several meaning to help defuse an argument or let some one know of your displeasure or delight. It is a word commonly shouted during a silence or in a public place to attract attention to yourself.

I can also be used when you are being told a story you are dis interested in to indicate you want the other person to shut up.

The word should be shouted loudly and in the voice of a upper class gentleman from West London.
Person 1 "Today at the library I placed a plaster over my ear after cutting it during a darts lesson.. Would you like me to expand"?

Person 2 "BABRIETY"

(Little Britain narrator accent)
by Pop t' shop barbara November 13, 2012