Things needed for this instructable:
-a bottle of shampoo( preferably the clear kind of shampoo)
-and guts to pull this off
Step 1: Assembling the Prank
next is to fill it up with corn syrup.
Then place the bottled prank in a place it will be used such as a bathroom, close to or in a bathtub or shower.
Wait for some one to use the prank.
Step 2: Waiting for the Results
Warning to place corn syrup in hair and then precede to get it wet will be a very awful feeling, the person being pranked will be very upset towards you for doing this so i take no responsibility for what may happen.