A baby-sitter drove drunk with four children in her car Thursday in Mount Sinai and was arrested after a Good Samaritan used her vehicle to block the sitter from leaving, Suffolk police said.

Sabrina Macri, 19, was intoxicated about 2 p.m. in the parking lot of Cedar Beach on Harbor Beach Road and had trouble finding her car, police said.

She had four boys, ages 4 to 11, in her care, and when she found her vehicle, she tried to drive away with the children, police said.

The Good Samaritan who saw all this called police and blocked Macri’s 2015 Honda Civic until officers arrived, police said.

Citing prosecutors, News 12 Long Island reported Macri told police: “So what if I had a few drinks. That’s what people my age do.” She then cursed at the officer, News 12 Long Island reported, again citing prosecutors.

News 12 identified the Good Samaritan as Nicole Diaz of Farmingville.

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“I hope this will teach her that . . . you have to be more responsible,” Diaz said Friday.

Macri, of Greenlawn Road in Sound Beach, was arraigned Friday on charges of driving while intoxicated; aggravated driving while intoxicated with a child passenger 15 years old or younger, also known as Leandra’s Law; four counts of endangering the welfare of a child; and two counts of seventh-degree criminal possession of a controlled substance.

News 12 Long Island reported Macri was ordered held on $20,000 bond, or $10,000 cash bail, and ordered to stay away from the children, their home and their school.

“It’s very early on in the proceeding, so there’s a lot of investigation to do,” her attorney Anthony Scheller told News 12. “We’re thankful that obviously there was no accident. There was nobody injured.”