My boyfriend keeps asking my to ride. I have no clue how to, or what to do. What do I do and how?

Assuming you are a adult, you ask him, if you are not to a point where you can talk to your partner about everything, then it is not a good relationship.

That term may mean different things, so only he knows what type of sex he wants.

Its you on top enjoying yourself. Like he does when he is on top.