Bam Margera

Bam Margera is back to his dangerous Jackass-like ways.

The former MTV reality star was rushed to the hospital after going over a 100-foot cliff in a kayak on Wednesday, TMZ.com reports.

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Margera and pro kayaker Steve Fisher went over the falls together in a tandem kayak in Oregon. Margera had to undergo an emergency hernia operation, though it's unclear whether Fisher was also injured.