Systems of 'self defense' taught by marginally skilled instructors that have little practical application in real world situations; so named because McMartial Arts dojos or dojangs offer a relatively cheap, low quality 'product' and are often found in the same strip malls as fast food restaurants. McMartial Arts instructors typically focus on flashy, relatively useless, moves and tournament competitions, while offering their students rapid belt advancement that fails to reflect their true skill level.
Did you see that McMartial Arts chain that opened up a place down on 7th street by the Arby's?
That guy really shouldn't have tried using his McMartial Arts in a bar fight.
Prices shown in USD.