Something that used to **** me off when I was at school. You go to the vending machine and buy a packet of crisps/minstrels/mnms/malteasers/skittles/smarties you get the idea. Then you go back to sit with your friends and they all want one. By the time you've handed them round and they've all taken one (or more if they are a real *******) thats at least half your snacks gone. You've paid for the ****** snacks not them so why the **** do they all think they're entitled to one of them!