Doing skateboard (short board) tricks and maneuvers on what most would deem a longboard. Doing the right set of tricks on the wrong board.
Did you see that wrongboarder pull a nollie heelflip over that gap?

I'm going wrongboarding with my friends at the skatepark.
by Mr.Dr.Thumper April 8, 2012
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Someone who rides a longboard and does regular skateboard tricks on it.
Lacey: Yo what's up.
Dancer: Doing some rad tiger claws and early grabbin some curbs.
Lacey: Psh wrongboarder, how about you get rad and go bomb some hills.
by Demix February 22, 2012
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