I have posted "Things I Am Not Allowed To Do At Hogwarts" several times over the years. Since the last movie is coming out this week, I decided to do it one last time. Below is some of my favorite ones. You can view the whole list here. This is just something fun I found online, feel free to share and post it yourself.
No matter how good a fake Australian accent I can do, I will not imitate Steve Irwin during Care of Magical Creatures Class
Starting a betting pool on the fate of this years DADA teacher is tasteless and tacky, not a clever money-making concept
Seamus Finnegan is not "afterme Lucky Charms"
Asking "How do you keep a Gryffindor in suspense? and walking away is only funny the first time
It is a bad idea to tell Professor McGonagall she takes her self so seriously
I will stop asking when we will learn to make "Love Potion Number Nine"
I will not take out a life insurance policy on Harry Potter
Professor Flitwick's first name is not Yoda
First years are not to be fed to Fluffy
First-years should no be encouraged to befriend the Whomping Willow
When fighting Death Eaters in the annual June battle of Good v. Evil, I will not lift my wand skyward and shout "There can be only ONE!"
I will not say the phrase "Dude, get a life." to Lord Voldemort
Calling the Ghostbusters is a cruel joke to play on the resident ghosts and poltergeists
I am not allowed to lock Harry Potter and Draco Malfoy in a closet to see if hot gay sex will occur
Ravenclaws do not find a sign saying "The library is closed for an indefinite time period" amusing in any sense
A time turner is not a flux capacitator, and I should therefore not install one in any muggle cars
If the thought of a spell makes me giggle for longer than 15 seconds, I am to assume that I am not allowed to do it
I will not under any circumstances, ask Harry Potter who died and made him boss
I will not lock the Slytherins and Gryffindors In a room together and take bets on which house will come out alive
I will not give Hagrid Pokemon Cards and convince him that they are real animals
I will never ask Harry if his scar senses are tingling
I will not dress up as Voldemort for Halloween
I will not sing "We're off to see the wizard" when sent to the Headmasters office
It is not necessary to yell "BURN!" every time Snape takes points from Gryffindor
I will not hold my wand in the air before casting spells and shot "I have the power!"