(CNN) - Something strange is happening in the photo above - we just don't know what it is. Cameras caught the moment, but not what prompted President Barack Obama and former first lady Barbara Bush to make these faces.
The pair was attending the dedication ceremony for the George W. Bush Presidential Center in Dallas.
What do you think they're talking about? Write your own caption for the photo in the comments below.
Pres. Obama: ewww!!
Former First Lady: Pardon me, that's what happened when one gets old! Sphincter doesn't work anymore!
"Jeb's thinking about what?!"