He threw her for a loop!

A thrill-seeking romeo proposed to his girlfriend getting off the Cyclone as roller coaster enthusiasts gathered at Coney Island’s Luna Park for the ceremonial opening of the season on Sunday.

“I knew she always wanted to be proposed to on the Cyclone, but my anxiety wouldn’t let me take out a ring on the ride,” Ben Schleider said shortly after officials smashed a Brooklyn egg cream on the 97-year-old coaster — a traditional annual “Christening” of the classic ride.