Gossip or rumor; nonsensical or silly talk; blather.
An elected head of a gewog in Bhutan.
Speech which is undecipherable to the listener because it is in a language he or she does not understand; mumbo jumbo.
Background noise of simultaneous conversations, none of which is decipherable since the actors are repeating the word rhubarb or other words with similar attributes.
Blah blah; etc, etc.