A stack of surfboards on top of a vehicle that is more then 5 boards. Usually placed on a vehicle owned by a kook. Boards are also usually placed in an way that they will probably fall off.
" Hey look, there's that Kook Jay with a bunch of boards stacked on his van, that's quite the Kook stack"
by Skunk Project 121 May 3, 2018
Get the kook stackmug.