climb up a tree and throw shit at someboy's house... they probably wont' find you
if you know somebody iwth a mercedes, take a condom and put it on the hood ornament. it looks like a wind sock when tehy drive lol
pretend to be a catholic missionary or a jahovas witness adn make hand made shitty pamphlets and try to convince ppl about the word of god, etc
prank fone calls obviously
if somebody has couch near a window, go up to it and hit it hard or make them scared somehow then run like shit
sneak into a friends house and take tehir food/ alcohol
sneak into ur friends house, chill out, when u see them come home, hide and scare teh shit outta them
if ur in ur friends house hiding, leave them a nice upperdecker (poop in the top part of the toilet

)
take pics of your penis and put it in bitchs' mailboxes whom you don't like (though that turned out bad... asses might be better)
get shitfaced