a phrase or expression that pierces through the silence in a lull in conversation, often bearing no relevance to anything prior in the conversation.
The Bennettism is a profound outpouring of a persons sub concious, without the filtering process applied by the brain to the speech before it is verbalised
The orginator of this term was Gordon Bennett in the late 19th century
A: Lovely weather we're having
B: Yes, quite
...
C : Imagine if we were all made of cheese?
A: ?
B: ?
C: I think i may have made a slight Bennettism there chaps