blab slab
A tricked-out cell phone loaded with all the extras. Often shortened to just “slab.”
Nominated by Mesila Thraam and others

And on a related note:

Urban Word of the Day:

February 25: yellular

The loudness one adopts in response to a bad cell-phone connection, in the misguided hope that talking louder will improve the connection.

“I’m so embarrassed. I went totally yellular at a restaurant last night.”