How to Get Your Friends to Spill Drinks on Themselves (PRANK)

As long as your friend's cup is made of styrofoam or paper then you should have an easy time pulling off this practical joke.

The key thing here is how you sell the prank, setting it up is important to but the way you pull it off will determine how successful your prank is.

Vaseline and a cutting tool will be needed for this prank so make sure to watch the instructional video to see how it's set up.