Robyn: how do you like my new haircut?
Beth: I see you got bangs again...
Robyn: Bangnesia again! Why didn't you stop me? There should be a medical alert bracelet for this!
The phenomenon that occurs when one walks out of a store in the mall and has no idea which way they came from, blocking mall traffic with their paralysis.
I hate going shopping with my mom: she gets such bad mallnesia and walks the wrong way every time!