What is Scooter Girl?
1.
that cute blonde girl at case who wears short skirts and rides a pink scooter to class
"hey scooter girl! where's your scooter?"
See
2.
A girl that you have fun with (usually in a sexual sense) that you would never be caught with in public.
--derived from a guy riding a scooter, which is perceived as something that is very fun to ride but your friends will make fun of you when they see you!!!!
I'm gonna call my scooter girl tonight.