Subscribe | UPI Odd Newsletter Subscribe WASHINGTON, March 23 (UPI) -- On a day that was da bomb for President Barack Obama's administration, U.S. Vice President Joe Biden dropped the f-bomb during the healthcare bill signing. "This is a big f-----' deal," Biden whispered into President Barack Obama's ear and was picked up by a very sensitive microphone, The Hill reported. Advertisement Biden introduced Obama during the ceremony at the While House. White House spokesman Robert Gibbs apparently agreed with Biden's sentiments, though, posting, "And yes Mr. Vice President, you're right," he posted on his Twitter account.