It's something that is so big it broke the stairway to heaven and got sent back to earth and so god tried to make it into her own planet but she was too big that the flash died running not even halfway around her. She is so fat she crushed god himself.
person 1: Your mom is so fat when she goes to the movie theater she sits next to everyone.
person 2: Yes, agreed
Your mother is something that is fatter than anything in the world