Beatrice: What are you doing young man? Vandalism is a serious crime!
Bucky: That's vandalism Jimmy! Not very cool!
Cornelius: Oh you brute! Why must you commit such acts of vandalism?
Donald: Stop it, you vandal!
Melvin: YOU call that art?!
Thad: Such ghetto behavior!
Preppies
Bif: How about I tag you?
Bryce: Jimmy! Only blue-collar scum deface property!
Chad: Great! Bring us back to the stone age!
Gord: I suppose you think that's all rebellious and cool, Hopkins!
Justin(1st quote): You're devaluing property!
Justin(2nd quote): This is not the ghetto! Ok?!
Parker: That's illegal, you know!
Pinky: You're such a rebel, Jimmy!
Tad: That's really ghetto, Jim!
Greasers
Hal: What are you doing, moron?
Lefty(1st quote): You call that quality?
Lefty(2nd quote): That just sucks!
Lefty(3rd quote): You need lessons!
Lola: Didn't your mom teach you not to write on walls?
Lucky: You little runt! That's not yours to ruin!
Norton: Give it up, Picasso!
Peanut(1st quote): Hey look! Another ghetto wannabe at Prep school!
Peanut(2nd quote): Wow! Risky business!
Ricky: You suck at that Hopkins! At least make it look cool, or swear or somethin'!
Vance: What is this? You some kind of gangsta?
Jocks
Bo: That's just wrong! You ruined public property!
Damon: Why would you do that?
Dan: That's wrong dude!
Juri: I always knew you were an artsy maggot, Hopkins!
Kirby: You're not in the ghetto anymore, Hopkins!
Luis: You think you're cool or something?
Mandy: Are you crying out for attention or something?
Feel free to add more
by that I mean Chrissyyyyyyyyyy!!1111!