Comedy List: Things I Keep in My Car to Throw at Bad Drivers

OK, maybe I'm the only one who does this, but it's not enough for me to just flip someone off.  I want to hit their car with something. I'd just hit them myself, but car is too expensive ($130).  So what can I throw on their car?

• A bag of d*cks.
• Stickers with gangland graffiti on them.
• Assorted zygotes.
• Balloons filled with urine painstakingly collected from syphilis hospices.
• A friendly look or a grenade, whichever's handier.