flat spot Share definition Flag longboard terminology for a flat worn away spot on the wheal of your longboard as a result of a highspeed slide i was totaly going like, 30k! but then i pulled a sick slide and i flat spoted my wheals flat spot by iron manxfb July 28, 2006 0 0 Get merch Get the flat spot mug. Buy Now — $32.95 See more merch