User blog comment:Icey778/Rap Battles of Excellence Redux 14: Lizzie Borden vs Mary Tudor/@comment-27286780-20161019071218/@comment-25012248-20161019173123

If you mean this rhyme "Fact is they can’t prove I was the dealer, stealer, murderer"

She's basically saying Mary doesn't have shit on her really. Because other than that line I don' think there is any other that has Lizzie dissing herself.