Beware before digging you nose or filing toe nails while flying as someone might be clicking you doing it! Do not give them a chance to make you a laughing stock on internet. 'Passenger shaming' is an Instagram account that showcases such pictures showing the world’s worst airplane passengers. Created by former flight attendant Shawn Kathleen, the account shares pictures of disgusting habits of travelers. Here we bring you the pictures of some worst offenders, take a look.