Sleeping Roommate Face Smash
This is the sleeping roommate face smash prank.
Step 1 Sleeping roommate
When someone is sleeping you put a table over their face.
Step 2 Airhorn
Then you put a blow horn next to their ear and set it off.
Step 3 Smash
When they hear the horn, they instantly sit up and their face smacks the underside of the coffee table.