to speak about a subject of which you know nothing about and act as if you.
Student: ...and therefore, since the man in the white coat was schizophrenic and was too busy dealing with his psychotic girlfriend whom he invented in his mind to realize what was happening around him, the president had no choice but to shoot him in the jawbone.
Proffesor: So you're trying to tell me that the president shot his brother during the Boston Tea Party?
Student: To my knowledge sir, yes i am
Proffesor: You're spewing out your Anus