Bobby's definitions
When you are taking a number 2. And someone is doing the same thing on your lap in between your legs.
by Bobby April 11, 2005

by bobby June 6, 2004

by bobby April 12, 2004

Identified Butt Snatcher: The close cousin of the UFO's. The aliens that drive the IBS have been identified and scientifically classified. Instead of probing the ass, they simply probe it with their own "Tool".
by bobby April 5, 2003
