Mom I think
A beautiful 17 year old girl pushing a shopping cart, and her 40 year old mother were walking thru wal-mart.
After slowly browsing the fish tanks they approach automotive.
"Mom" the girl saies "You know I think I need AA."
Her mother dumbfounded stops in her tracks eyes bulging an mouth wide open.
The girl looked at her mom for about a second when the light goes on.
"I mean I need AAA!"