

It’s part of the audience participation.
You put the newspaper over your head during the rain scene, throw the rice during the wedding scene, etc.
There is dozen of things to do and say during the movie.
Example: whenever Brad says his name “I’m Brad Major”, the audience shouts out “ARSEHOLE!”
Been in a pub toilet when a drunk guy came in, whipped it out half way across the room and the dirty fucker started pissing while staggering to the urinal. Just a fucken animal.