My 8th grade Geography teacher would come in every day... walk by the board. Point, with his thumb, at the assignment listed there. He would proceed to sit down at his desk and pour a healthy amount of vodka into his mug. He would take a sip and say...
"The map is still the same. Carry on..."
That would be the lesson of the day. He would leave about halfway through class, get in his pickup, and drive home. He would then arrive five minutes to the end of class with coffee in his mug. I revived an A in his class. I wrote "Communism lives." on all of my assignments. Hazaah public school system.