Once you spot one, you shout out 'Fat man on a Motorbike'.
This game can pass time, and winning can be very satisfying.
Darren: 'Yass! Let's start a new round.. cannot wait!'
Kid: 'But I can't be fucked going on a 2 hour car journey to see a wretched old shrivel in a hospital bed!'
Dad: 'Quit whining. Play fat man on a motorbike with Garry or something. And don't talk shit about my maw.