When someone does the splits in a funny manner. Named after the legendary Wipeout contestant, Jacob Mann, who did the splits on the big balls.
Dude, I don't know what happened. I was just running and pulled a Jacob Mann.
by Sticks a poppin September 27, 2008
When a male does the splits in a manner in which one leg is forced over his head. Named for the first man to do it on the TV show Wipeout.
On the show Wipeout, many contestants perform a Jacob Mann on the Big Balls.
by LegendaryBadass September 03, 2008