What is "heelflip"

n. (context skateboarding English) A flip trick where the skateboarder kicks the board in order to make it flip 360 degrees along the board's long axis.

The heelflip (aka heel), is an aerial skateboarding trick where the skateboarder kicks out in front of him/her flipping board 360 degrees along the board's long axis.

A heelflip is executed similarly to the ollie, and like the Ollie has become a defining trick of "New School" skateboarding.