The act of setting a cellular phone to vibrate, shoving it in your ass, and calling it. Since this requires the use of multiple cells, it's advantageous to purchase two phones - on a family plan to save money - and use one as your personal phone and the other to shove in your ass.
Sometimes while beating my meat, I spice things up with a Pittsburgh Family Plan.
For my birthday, my wife gave me a Pittsburgh Family Plan and called me repeatedly while I railed her doggy style.
Shit, man, you have to try a Pittsburgh Family Plan while receiving a hummer.