Blumpberry
The action of using one's Blackberry while taking a dump. A derivative of blumpkin and blongkin.
Bro1: "Yo bro why have you been in the bathroom for the past half-hour?"
Bro 2:"Yo bro I was taking a Blumpberry."
Bro1:"Oh word I just got your BBM."
Bro 2:"Yo bro I was taking a Blumpberry."
Bro1:"Oh word I just got your BBM."