YouTube Prankster Hooman Nouri is at it again! This time he snuck behind unsuspecting beachgoers and he kept putting shampoo on their head. Imagine washing your hair and rinsing it for almost 30 mins.

HoomanTV uploads "prank" videos where he uses a script, a Ferrari or supercars, and paid actresses to pull off his stunts. I still don't understand how, but most of his millions of followers seem to ...