underflip

Hobbies, Lifestyle, Skateboarding, Sports A flip trick, the flipping of a skateboard by flicking the underside of the board, while riding on the board.

Hobbies, Lifestyle, Skiing, Snowboarding, Sports An acrobatic maneuver, initiated while in mid-air, performing a backflip by flicking one's head back over one shoulder, making the body flip underneath the board or skis.