Hoog has had a definition for many eons for those with occult knowledge. It is a mantra of expulsion. Used to dispel negative energies. It itself is a very powerful mantra and should be used sparingly as it may bring harm to those whom it is directed towards.
Eg Julian asks in a manner of uncultured bewilderment “What on earth is a Hoog”?
His brothers reply in unison “that is 400g (the size of the steak) you fucktard” explaining to Julian the illiteratemongol spaz master 3000.
Iemand met een psychische aandoening (someone with a mental disorder) die zijn symptomen kan verbergen en/of kan meedoen in de maatschappij (who can conceal his or her symptoms and/or can participate in society) wordt gezien als hoog functionerend (is seen as high functioning).