'PK': The story behind the name

New Delhi: 'PK' is shrouded under mystery and director Rajkumar Hirani is being extra careful about what is being revealed. 

But the mystery behind the name of the film and Aamir Khan's character has now come out for the public. 

In the latest dialogue promo released, Aamir is shown being chased by a crowd and everyone asking him whether he is drunk. 

You can check it out here: