Top definition
A wickedly smart, smart ass girl. She is always there for you; to pick you up off the floor or help you dig the grave. She is the first person on the scene to help and will never let you down.

She can't cook worth a damn but can order up a meal you won't believe.

You should be so lucky to have jannetta on your side!
God, what a jannetta, I wish i could be like that!
by authentic names and dates February 04, 2010
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