What is Aint That A Bitch?
1.
According to Chris Rock, this is what you would say if you were an organ donor, died, were brought back to life, and no longer had any eyes.
Chris: "Momma, where my eyes at?"
Mom: "Well, honey, you died so we gave them to a kid in Rwanda"
Chris: "Aint that a bitch."
See 
2.
a comment describing something as "sucking" or being bad
Zac: yo i gotta vagina and a dick dude
Grant: aint that a bitch
Random Words:
1. 
A term someone uses if they  strongly dislike another person.
Betty: "I can't stand her"
Sue: "Who?"
Betty: ..