Well, smack my face and call me Sally. Look at this definition:

1. hebephrenic adj Suffering from a form of schizophrenia characterized by foolish mannerisms and senseless laughter along with delusions and regressive behavior; Synonyms: schizophrenic

http://ultralingua.net/dictionary/index.php3?letters=hebephrenic

That definitely wipes out my application to the elementary music classroom above!