One who may look professional enough to play the sport being observed, but in actuality may only know the sport from when they were a fat, lazy child and watched it on TV. They may make "bogus" calls if you will that relate nothing to the given action. 90% of the time these calls are merely illusions.
See bullcrap regular crap knowledgless ignorantblind
Wow. My hip bone is shattered due to the massive bludger to the back from that player over there. That ref must be blind to miss an illegal play like that.