To say a lot, but mean not a damned thing...analagous to filibuster. Also can be used to describe a person who does said action.
"In that meeting all he did was wiffle-waffle and now I don't know any more than I did before!"
"Did you understand a fucking word that Wiffle-Waffle just said?!!"
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Denotes someone who can't make a decision or take a course of action. AKA "analysis paralysis"
Think of this as an "addendum" to the first definition.
"George Dubya likes to wiffle-waffle"
"George Dubya IS a Wiffle-Waffle"
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