Bill O'Reilly really is a ... probably can't use that type of language here. This t-shirt is to remind people of what an ass he is. I'm guessing that a few comedians are going to take up this line though and you should get this shirt before it is in the next Will Ferrell movie and everybody is gonna be wearing it. For those who don't know, this is a Bill O'Reilly quote from an old video of him losing it at the camera crew when he was younger.