Corporate Jumping Bean 

A cell phone or pager, set on vibrate that has been left on a surface such as a desk or conference table. Usually the owner of the unit has left the area giving plenty of time to annoy fellow employees.

Shortened to: Jumping Bean

"Argh! Somebody tell Jim to stop leaving his corporate jumping bean lying around, it's driving me crazy!"

Corporate Jumping Bean by Kyle Bellamy December 12, 2006