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1.
1) A stream of electronically recieved messages that consist only of mundane complaints about life. To qualify as a bitchcast, messages must be recieved faster than your ability to delete them.

2) Tyra Banks's television show

3) A torrent of chained complaints in text message form that forces your phone to crash due to a memory overload.
Example: Awh, I can't believe her bitchcast broke my Iphone!
by Valjean24601 November 02, 2009
 
2.
When someone abuses the Podcast system or blogging system to just bitch about everything that's wrong with the world to them that day. Also common in women.
Rachel: Have you heard my new Podcast?
Brandon: It had better not be anything like your blogs, because I can't take another one of your bitchcasts...
by Hextacy March 09, 2007