The drunken, “thrill-seeking” scion of a wealthy hedge funder left two friends seriously hurt after flipping the family golf cart at full speed in a “dangerous stunt” at their $15 million Southampton estate, the alleged victims claimed in a lawsuit.

Garrett Huff, now 23, had been drinking for hours with pals John Mascali and Heather Dailey at the beach and playing “wine pong” in the basement of his parents’ 10-bedroom, 10,000-square-foot manse when the trio decided to zip to the sand one last time on that August 2024 evening, according to court papers.

But Huff hit the gas without warning and sent the oversized, three-row golf cart “at full speed onto a roundabout where he attempted a dangerous stunt which pushed the vehicle to its tipping point,” Mascali and Daily said in court papers.

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