"Currently out in the car but I'm really horny any suggestions on where I should go for a wank to make it more interesting than wanking in the car? "
The Bull Ring ladies toilets?
There is a way of attaching a piece of string to the front wheel and the other end to you old bill, and it pulls you off as you drive. Problem is, nobody has survived to report whether or not it works, please let me know how you get on.