Queers In The Car
If you are ever in a situation where you are 1 of 3 guys sitting in the front of a pickup truck, then this is the perfect prank for you. Make sure you sit in the far right seat. When you pass by a female, honk the horn and quickly duck. The female will look and see 2 guys sitting next to each other.

Balloon In The Trunk
Fill some balloons with helium and put them in your victim's trunk. When he or she goes to get their luggage out, they will get a balloon surprise rising from the trunk.

Puddle Splash Prank
After a rainy night, the next day there will be puddles of water everywhere. Including next to sidewalks that students walk to school on. So here is what you do, while driving past these students make sure you drive over these puddles next to the curb at a faster speed. The bigger the puddle and faster your drive the more water will splash all over the students walking by.

Car Alarm Chain
Start a car alarm chain in a busy parking lot. All you have to do is either let your alarm go off or rev your engine really loud. Noise or vibration sensetive alarms will go off one right after another.

Mystery Noise
Put a couple of marbles in a small tin can and tape the can to the bottom of your victim's car seat. Everytime he or she turns or hits a bump in the road they will hear the rattling noise underneath them and wonder what the heck is wrong with their car.

Car For Sale
Put a 'For Sale' sign in your victim's car window.

Dude! Where is my car??
When your friend parks a car and says he is just running into the store to pick something up and he will be right back, tell him to leave the keys inside so you can stay and listen to music. Then when he leaves, move the car to the other side of the parking lot.

Car Trouble
Place a box in your engine compartment. Fill the box with caps, wires, screws, etc. Then close the hood and drive to a public place where there is a line wrapped around a building. Then pretend your car has just stalled right in the middle of the line. Get out of your car, open the hood, and start cursing at your car problems. Open the box under the hood and start throwing items in it out onto the street. The proceed to start up your ride, give the crowd a nod, and smile as you drive away.

New Car Prank
Place an ad in the newspaper with your victim's new vehicle for sale. Leave his name and number as the contact info. Be sure to list it thousands below value. This will increase the amount of callers interested in buying his car, which isn't for sale.

Parallel Parking Prank
Next time you parallel park on a busy street and there is enough space for 2 vehicles, take up more room that you need, leaving just enough space behind you so no car can fit in there. Most average sized cars will think they can fit, they will try, but they won't be able to...you can just sit back and watch as car after car tries to park parallel behind you.