an account of a person's life written by the person themself

Taken in the contest of the song Baby's Got Back by Sir-Mix-Alot he is referring to Florence Griffith Joyner a track athlete in the 1988 Olympics who defiantly fits all the other descriptions of what he likes in women mentioned in that song. Not some soda why on earth would you want to keep your women like a soda anyway?

An autobiography is a book that a well-known celebrity has written like Stephan Hawking who has written books and an autobiography to inform people Chronologically about his own life himself. There is a big difference between a biography and an autobiography, a biography Is a book made by somebody other than the person it is about and an autobiography is a bit like a diary.