First I wrote "Don't erase this or you'll regret it." in sharpie the next day it was erased so I spent my entire lunch period spraypainting,"See the mistake of not listening!?" Instead of trying to clean it they painted all the stalls black so the last day of school I put a stickynote on the stall door saying,"Yaknow how hard it is to find a white sharpie!? Ya impossible you assholes."