1: Run around screaming with a banner: "YAY FOR SNAPE FOR KILLING DUMBLEDORE!"
2: In the great hall randomly say: "Why are there so many Weasley's in this school?"
3: Hand Snape a bottle of shampoo and say: "I think you need to wash your hair, dude."
4: In public display say: "I'M A DEATH EATER AND I LOVE VOLDEMORT!"
5: In class when Snape says: "10 points from Gryffindor!" reply to him: "10 points from Slytherin for being wrong! You must not tell lies!"
6: If you're a pure blood randomly shout in non wizarding families faces: "MUD BLOOD!"
7: Ask Dumbledore if he's entering the craziest beard competition this year
8: When in Defence Against the Dark Arts with Remus Lupin make werewolf noises
9: Ask Ron how the gravy managed to stain on his face
10: When you see McGonagall looking for something tap her on the shoulder and say: "Under there!" She will probably say: "Under where?" And you will reply: "Haha! You said underwear!"
11: Tell Draco to stop using white powder on his face, it's getting too much you can see his makeup before his face *shudder*
12: Stand next to Harry and say "Ow! Ow! My scar it burns!" And clutch your forehead while dramatically fainting
13: Say to Snape (and make sure people are watching): "You look like a heavy metal leprechaun!"
14: Ask Crabbe and Goyle where they got their Hallowe'en masks as you desperately need one for when Hogwarts holds another Hallowe'en party
15: When you see Voldemort next say: "Why are your followers called death eaters? Do they eat dead people? Can't you think of a better name for them?"
16: Ask Dumbledore to update the school's fashion "Robes and Capes are so out of fashion, ask Snape the style queen to help you out."
17: Call Draco a ferret
18: When you see Ron and Hermione together or Harry and Ginny together start singing "Don't cha' wish your girlfriend was hot like me!"
19: Ask Professor Umbridge if on Wednesdays we wear pink
20: Ask Draco if he's best friends with Edward Cullen (BEST friends)
21: Bring a mobile phone from the muggle world and say: "I am from the future! Hey! Why can't I get any signal!"
22: When you see two students kissing shout out so everyone can hear: "Hey! I thought this place was called Hogwarts! Not snogwarts!"
23: Ask Hagrid if he's challenging Dumbledore in a beard contest
24: Ask Trelawney if she goes to the same hairdressers as Snape
25: Tell Filch to stop hugging Mrs Norris if he keeps hugging her he might have to have her surgically removed from him
26: Tell Ron to stop chasing butterflies
25: Ask Sirius if he is actually serious
26: When you see McGonagall next shout "CAT WOMAN!"
27: When Flitwick asks when he can't reach something: 'Can I have a hand?' You simply clap your hands, and watch how mad he gets...
28: Tell Fred and George Zonko's is closed, watch the madness unfold
29: Next time you see Dobby tell him he's a sock sniffer
30: Ask Mrs Weasley if you can have a Weasley jumper with your name on it for christmas, with specific colours (your choice) when it gets to Christmas, when you open your present up scream: "I DIDN'T WANT THESE COLOURS!"
31: Tell Hermione if she doesn't stop being a teachers pet, you might ask McGonagall to turn her into one
33: Ask if Voldie cares to join you for tea and nibbles and purposely invite Harry, when Voldie arrives say: "Enjoy your reunion!"
34: Dress up as Snape for halloween and jump out at people and give them a fright shout at them "TEN POINTS FROM GRYFFINDOR!" Do this until Snape catches you. Or if you're really brave keep going until you get expelled
35: Tell Draco him and Hermione would make a cute couple! And keep saying 'Dramione' to him