Court papers say the teenager posted the pictures, complete with the "tiny" description and the 24-year-old ex-lover's name and phone number, after he ended their brief relationship to date another woman, The Local reported Thursday.
The newspaper said the woman also allegedly posted pictures of her ex-beau's new squeeze with a note labeling her a "slut" and threw eggs at her ex-boyfriend's car.
Police said the woman admitted to them that she knew her activities were illegal.
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