Turning to the phalanx of cameramen and reporters, Obama bravely wondered, “Who knows what a hitch ball is? This is a hitch-ball cover. We don’t know what a hitch ball is.

One side of the special Titleist ball is stamped with the acronym POTUS, which stands for President of the United States. Another side carries the number 44; Obama is the nation's 44th president.

The ball Obama hit into the woods had the word POTUS on on side and the number 44 on the other. POTUS is an acronym for President of the United States, and Obama is the 44th president.

President Barack Obama throws out the first pitch at the Washington Nationals' home opener against the Philadelphia ... Obama Has A Ball With His 'First Pitch' April 5, 2010 1:09 PM ET. By . Mark ...

President-elect Barack Obama is adding a "Youth Ball" to the parties planned to celebrate his Jan. 20 inauguration.

President Barack Obama and first lady Michelle Obama's first ball was dubbed the "neighborhood ball." It was just the beginning of a very busy night. Video courtesy of Fox News.