If you are looking to get even with a friend, you might want to consider one of these sly tricks. Just make sure you don't do any serious damage, because your friendship just might be at stake!
The Unexpected For Sale Sign - 10 Harmless, But Awesome, Car Pranks | Complex
Scared my buddy early after work!
Car Pranks: the sticky notes would be a good one for asking to a dance.
Defrost Confetti Prank… Hell yes I'm going to do this! Might do it with my crush's car loooool :D
10 Hilarious Car Pranks You Can Do - try this one on your annoying siblings! #lol #spon
Put vaseline on handles.
Some funny jokes to play on your friends. We don't actually recommend doing them, but they are funny to think about.
Packing peanuts car prank More
7 Harmless (But Slightly Evil) Back-to-School Pranks for Your Gullible Dorm Mates « Practical Jokes & Pranks