multiple tactic technique:
1. shit in bags (zipblock), whip at their house
2. gather all the friends you have and shit all over their driveway and on their car
3. buy a bunch of condoms and spit in them and leave them outside their house and by their windows
4. let the air out of their tires
5. paintball their house
6. fill their mailbox with shit
7. leave chicken heads on their doorstep
8. spray paint "I'm a whore" on their garages
9. trick them into falling in love with you, do it with all of them, then confess that your cheating with all of them and destroy their friendship forever
10. knock them unconscious and anally fist them
thats all i can think up