A place where two or more women who are pregnant and in close proximity to each other, but do not have husbands, fiancees or otherwise dependable men in their lives.
Man 1: "Hey, I see Jessica and Karen are shopping together."
Man 2: "Yeah, they are the Dynamic Duo from Planet Baby Momma."
Man 1: "What?"
Man 2: "Yep, they roam the earth with their unwanted kids in a dangerous quest to find the Welfare Check since their Baby Daddies are too busy having sex with other chicks. It's the only way they can inspire the success of baby mommas everywhere."
Man 1: "Oh, where do they meet?"
Man 2: "At the Hall of Preggers, of course!"