OK, so Bleachers' Jack Antonoff hasn't fallen onstage, but he's admitted that it's his biggest fear.

Ahead of Friday's 2015 mtvU Woodies, the show host told us that he's terrified of wiping out during the event. However, if he falls off the stage, that's all right.

"I've fallen off stage before, but that's OK because it reminds me of the video of Kelsey Grammer falling off the stage," he said. "That's a favorite of mine."

So if you're wondering, this is what Jack Antonoff looks like while falling offstage:

Embarrassing, dude.

Make sure you watch the mtvU Woodies, which airs live at 9/8c on March 20 with performers Fall Out Boy, Big Sean, James Bay and Years & Years. Don't miss it!