A large, overweight Woman who are most commonly found in Wal-Mart. They are seen Wearing Pajama Pants, mostly because they're huge thighs cant fit into normal pants. They also have small children with them, who will beat their child in front of public. No matter where they are. Hair is usually greasy, and in a bun. You can find most Pajama Mamas in the clearance clothing section of Wal-Mart.
I was at Wal-Mart, when I saw a Pretty big Pajama Mama in the clothing aisle, Smacking her little son for screaming over a video game.