Al Roker: 'I Pooped My Pants' at White House (Video)

Al Roker is nothing if not honest.

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The Today show meteorologist and Weather Channel host appeared on Dateline on Sunday night to promote his new memoir, Never Going Back. A good portion of the book focuses on his massive, 140-pound weight loss, which was aided by gastric bypass surgery in March 2002 and became the topic of discussion on the NBC news show.

It was a month after the surgery -- which restructures one's digestive system -- that Roker was attending an event at George W. Bush's White House. As he told Dateline, a misunderstanding with his own body caused a bit of a ... stink.

"I probably went off and ate something I wasn't supposed to," Roker calmly explained. "And as I'm walking to the press room, [I'm thinking] well, I gotta pass a little gas here. I'm walking by myself. Who's gonna know? Only a little something extra came out. I pooped my pants."

At that point, Roker threw out his underwear, "going commando" the rest of the day. Presumably, he kept the incident secret -- until now.