An Old-School board is a wider, heavier version of a modern skateboard, often with only one usable tail. An old school board sometimes has no concave and is not usually used for ollie based tricks. Old School boards are often the kind of skateboard a punk would use.
Example Usage of Old-School
BookingBossDC: RT @TripppleR: @OGOchoCinco n*gga-knockin <- Haaa , old school ..aka ding dong ditch (cali term)
spooons: Old school blink182 playing at the mall... Awesome
jay0302: Today is gonna be my old school day no rap all teddy p,marvin,temptations etc