While performing on Ollie, the heel pushed down on the edge of the board causing it to flip over.

a technical skateboarding flip trick where the skateboarder ollies and kicks the board to make it flip underneath him or her

a variant of the ollie in which the board spins towards the riders front while maintaining its direction of movement

Ollie, front foot goes to the toe side of the board, flicking the board with the ball of the foot, flips. land.

While performing an ollie, the heel pushes down on the edge of the board, causing it to flip over.