Greenhorn question about a position.

While perusing reviews, I've noticed a position mentioned several times...they call it "surf" or "surfing".
Could somebody clarify?

These may help with that one and many more....
http://www.cosmopolitan.com/sex-love...-sex-position/
http://www.goodtoknow.co.uk/relation...sitions-in-bed

Thanks Tammie!
You are an encyclopedia of sex!
Only last Saturday night, my special friend and I did that very position.Just did not know it's name.Love it!
See you soon !
xoxo

Chick lays on tummy, you climb on board and do her from behind.....

Mmmmmmmmmmmmmmmmmm.........

It's definitely one of my favorite positions.