teacher's revenge
(n) The result of drinking copious amounts of Teacher's scotch whiskey the previous night: A massive hangover characterized by a pounding headache, hunger for fatty foods, and the loss of any will to live.
Ben: I want it all to end
Kyle: Why?
Ben: I have a horrible case of teacher's revenge.
Kyle: Why?
Ben: I have a horrible case of teacher's revenge.
teacher revenge
assigning a long, tedious, difficult assignment worth a large percentage of the grade to get back at students for pissing off the teacher
Teacher revenge is an unspoken practice valued by teachers for the pleasure derived from the satisfaction of making students pay for the difficulties and pain they have caused.