What is Goofy Foot?
1.
its a form of skateboarding or snowboarding in the way you position your feet
i skate goofy-footed
See
2.
Riding a board -- generally, a surfboard or skateboard -- with your left (rather than right) foot forward. Generally preferred by left-handed individuals, but occasionally by righties as well.
He rides goofy foot, so if you're on the shore, you'll see his back when he kicks right on the wave.
See