To do a Nollie flip, put your feet in the same position as in a nollie, but your trailing foot should be hanging off the board by about two inches on the heel side. Pop an nollie and as you slide your trailing foot forward kick it off your board to the heel side. The hard part is that you have to level it out and spin it faster then you would in a kick flip. This should make the board spin. As it finishes spining smack the board down with both feet.
Hints: Learn how to nollie perfectly before trying this move.

Trick contributed by: www.skateboarduk.com