There's always somebody who spoils a party isn't there? You get the loud, self-opinionated, heavily intoxicated guest who, ignoring subtle hints that it might be best to tone down their outrageous comments and behaviour, stumbles around giving forth until the embarrassed host is forced to ask them to leave.Then you've got the gate-crashers who've heard there's a lot of fun and booze to be had and swan in uninvited to enjoy themselves, quite literally...