Top Definition
A woman who seems completely shy and tame and sweet on the outside, and will completely throw you for a loop once you get to know her adventurous side.

Ever the voice of reason, and all ways helping folks to better themselves.

Has terrible, terrible sleep habits.
Did you hear about the book worm Sam? She was out partying all night! Such a Vonica.
by Keypaw July 17, 2014

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