We've all met them.

We'd now like to sing Fuck Da Police

Those perfectly polite, friendly people who are just a wee bit too intense and over-think the fun out of everything. We came across the clip below while looking for ways to  walk up Ben Lawers. As in "ways to walk up Ben Lawers without buying a route map."
Anyone who thinks, like me, that the narrator is channelling the spirit of Keith out of Leigh's Nuts in May must be way older than they look.