Quick question please!?

i am at the young at heart age of 13, and yes I hold condition classes contained by institution. But I really dont twig what an orgasim is. i mena, I grasp what it is, but similar to, I am nto sure. Its unyielding to explain. Does anybody take what I am trying to ask? Basically, what exactly is it and when do you procure them?
Answers:

Girls on tricyclen lo?

Have a look at this:

http://www.nhsdirect.nhs.uk/articles/art...

Can someone explain??

NO.