A phorgy is an extension of the 3-way phone call. A phorgy is when Person A calls Person B, who then 3-ways Person C, who then 3-ways Person D; at this point the conversation is a phorgy.
Dude, I'll call u tonight, then you call Lisa, then Lisa can call Beckerz and we can get a phorgy goin on.
The act of texting/calling multiple people at the same time that are also texting/talking to each other.
Person 1: Hey man, you up for a phorgy after school?
Person 2: Sure, just make sure we have enough people.