The Georgia Buck is aka The Butterfly Position (thanks to wikiafterdark.com).
My favorite is to have the woman lie on her stomach with a pillow under her hips. I will either lay on top or perch on my feet, depending on how deep she can take me. Moving in/out, and up/down her body rubs her g-spot with the head on my cock.
It's also a great position to do a little bit of hair pulling while she sucks on my fingers ! :biggrin1: