[legion]

Saran wrap her toilet (between the seat and bowl).

Knock her up.

Tape snap pops inside the edge of her locker door, so that they explode when she slams the locker shut.

Knock up her best friend.

Does she have a computer at home? Neuter her mouse. (Remove its ball.) If it is a female (digital) mouse, tape over the laser.

Knock up her mom.

Convince her that her car is running low on blinker fluid. Send her to a mechanic.

Kidnap one of her pets. Pretend to be a serial killer and mail her a part of her pet once a week.