What is Aunt Diane?
1.
An insult to an aunt who has sex with her neice or nephew. Originating from the pornographic series Taboo where the main character Jimmer in a spur of the moment has sex with his Aunt Diane
*Aunt Dianes friend gets off of Jimmy*
Friend: Come on Diane you'd love it
Jimmy: Yeah Aunt Diane I've always wanted to
Diane: You have? Well *takes of dress* better keep it in the family
See
