When a guy shoves a twinkie up a girl's asshole and then ejaculates on it. Afterwards, he gets another girl to eat the twinkie out of the other girl's asshole while on a schoolbus. The girl with the twinkie up her asshole then proceeds to finger her asshole and then eat the sperm and twinkie from her fingers.
Example:
Kid: Wanna get a dirty schoolbus?
Girl with tight asshole: Hell yeah! I love twinkies up my asshole!
sexual act. related to the shocker. While in the doggy style position you stick your thumb in the anus of your partner and apply downward pressure in order to feel the curvature of your penis inside her.
12 step recovery jargon referring to someone new who talks about how great life is, now that they'resober. Usually meaning that the person is out of touch with reality.
The new guy seems pretty happy for a dude who has no job, no money and no family. He must be on a pink cloud.