I”m sorry but that guy was a complete moron. I’d kick him off the plane.
He probably boarded fully “lubed”. “Hanybody coulda made that mishtake (hic)”.
A male crew member was able to get the thing to latch. I was thinking at the time, "This is starting off well."
Then, in Zurich, when they opened the door to the jet way, the slide deployed.
I think it was a TWA 767.