Looks like Amanda Bynes is NOT done telling it how she sees it on Twitter!

And this time, she's making some pretty SERIOUS allegations against the officers involved in her Thursday night arrest for drug possession, reckless endangerment, and tampering with evidence!

The troubled starlet took to her social networking page this afternoon to continue denying her legal drama this week, which involved her allegedly smoking pot in her apartment building's lobby and then throwing her bong out the window when police began searching her place, and now, she's asserted that one of the officers at the scene sexually harassed her by "slapping" her VAGINA!

She writes:

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[Image via Splash News.]