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1.
To be fossy, from the root word of 'fussy', is to be irritated in a joking manner.
Sara expressed her true fossyness when she tickled Chris for having eaten one of her cookies.

When one wishes to impose a playful frustration, verbally admitting one has become fossy or possess fossyness portrays a humorous irritability within that person.
by clark5722 January 28, 2011