Playing pranks on new kids?

Question

ok so i go to this school were we get a lot of new kids and and every year we play pranks on them

but this year we ran out of ideas can u guys help us?

the new comers are 4 girls and 3 guys

plz help me

=]

Answer 1

spank them

Answer 2

. . .  

Answer 3

have you used the dumpster