A Long Island teen who needed 17 stitches when another girl’s mom allegedly bashed her with a metal “Stanley” water mug says she’s too traumatized to return to school — much less ever use the brand of cup again.

“I’m shaking all the time,” said Madison Evans, a 14-year-old student at Brentwood High School, to The Post. “I can’t even look at those cups anymore. Every time I see one, it just brings it all back.”

Madison said her horrific ordeal began when she was leaving summer school as usual one day at Brentwood last week and was approached by two girls she had never spoken to before. 7

The girls, including a 15-year-old, have issues with her cousin, which made her a target by extension, Madison said.

When the pair began bullying Madison outside the Suffolk County school , she

See Full Page