Yo momma so old her Ird number is 1!
Yo momma so old that when she was in school there was no history class.
Yo momma so old she has a picture of Moses in her yearbook.
Yo momma so old her birth certificate says expired on it.
Your momma so old she knew Burger King while he was still a prince.
Your momma so old she was a waitress at the Last Supper.
Your momma so old she ran track with dinosaurs.
Your momma so old her birth certificate is in Roman numerals.