Yo Mama - Nickname
Yo mama so fat her nickname is "Lardo"
Yo Mama - Eclipse
Yo mama so fat that she would have been in E.T., but when she rode the bike across the moon, she caused an eclipse.
Yo Mama - Search Party
Yo mama is so fat, they sent out a search party to find her belly button.
Yo Mama - Superbowl
Yo mama so fat she hula-hooped the superbowl stadium
Yo Mama - NASA
Yo mama so fat NASA has to orbit a satellite around her