The phrase uses lorry, the British word for a truck, which gives the clip its specific, everyday flavour online. Its exact origin is not documented, so it circulates mainly as a short, out of context voice reaction shared between creators. The humour comes from how ordinary the question is, making it easy to reuse for deliveries, removals, marketplaces and travel packing. As short form video has favoured brief deadpan lines that can be dropped over many situations, this one has stayed useful as a quick check that something important has not been left behind.