The 9-1-1: Lone Star actor paid the price for his Sasquatch surprise.

It was the best."

“One of them, Matthew, came up and kicked me in the you-know-whats,” he said.

Rob Lowe

Rob Lowe.Jason Mendez/WireImage

“And I was like, ‘You know what?

This kid’s gonna grow up to be somebody.'”

His younger brother John Owen?

“He vomited,” Lowe said.

“Fight or flight.”

“I was staggering!”

Wildly enough, Lowe’s Sasquatch surprise wasn’t the family’s last Bigfoot moment.

“I was lying on the ground thinking I was going to be killed,” Lowe said.

“We’re 100 miles from the nearest town.

We spent 45 minutes on the most rugged, brutal mountain trails.

It’s 1 in the morning.