A California high-school teacher accused of having sex with an underage student allegedly appeared in a Snapchat video that shows her wearing "a shirt and panties" while boozing it up with two shirtless teens -- one of whom bragged of "gettin' in deep," according to a report Tuesday.

Samantha Lee Ciotta, 32, could face additional charges based on an investigation of the recording, Patch.com reported.

Police documents obtained by the website say a student at Beaumont High School who saw the outrageous video asked the teen who posted it if it showed "Mrs. Ciotta."

"Yes…Bro, I'm gettin' in deep…been f---- (Ciotta) and getting threesomes for the past couple weeks (at her house)," the teen reportedly replied.

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