a form of female masturbation that takes place while she's driving her own car. effectively, she steers the wheel with her legs (which are propped up on the dashboard) thus leaving her hands free to wander...
...and so, on our way to H-town, we looked over and saw that she was masturbating! She was totally dashboarding it!
To go into a restaurant, museum, store, someones house, zoo, aquarium, or other public place, take a shit, and walk out with out paying.
Person 1: I have to shit.
Person 2: Lets go in this restaurant.
Person 1: We cant go in there I dont have money for food.
Person 2: Dont worry about it just shit and dash.
Person 1: Good idea.