In reply to muppetfilter:
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> Do any other UKCer's enjoy the odd bit of Trolley Rallying as well ?
Hell yeah!
Try this one. The trolley has to be fully loaded and you need a clear aisle. Take a firm grip on the handlebar, get some speed up and just flop down on your belly and let the momentum take you - God knows where.
Hopefully a kid will spot you as you're doing it and you'll feel a right legend, unless his mum spots you and you'll feel a total mentalist.
Either way, job's a good'un!