A Paranormal Clown Had Sex With Me by Susan Hart

A BBW with a deathly fear of clowns, gets a two foot high clown doll as a gift from a distant cousin. The doll grows to the size of a man and insists on sex with the woman, who is still afraid. Some months later there’s an unusual twist in the big beautiful woman’s life, and it’s one that’s completely unexpected.

Editor’s note: You know, normally I’d leave out the synopsis, since I’m not really about judging the content of the book, but I’m just amused as hell that the unusual twist isn’t the clown doll sex.