The ones who piss me off are three times normal size overall and six plus times oversized in the arse, who park their trolleys broadside across the aisle and block the rest with their ginormous arses as they attempt to bend down to reach something three feet off the ground, which they can barely reach because they’re so bloody fat!
When they’re not doing that they’re leaning their massive puffing bodies on their trolleys and moving at a snail’s pace to create the maximum obstruction or waitng for a small child to pass to ask it to get stuff off the bottom shelf which they can’t reach without an engine crane being employed to get them up again.
They are just practising for when they’re so morbidly obese that they need an electric scooter to get around, which enables them to block the whole bloody aisle whether they’re stationary or not, largely with their elephantine arses spilling over both sides of the seat.
The only positive is that I never encounter them in the fruit and vegetable or fresh meat sections where I do my main food shopping as they’re too busy filling up their trolleys with biscuits (cookies in US) and ice cream and chocolates and oven bake potato chips and everything else with huge amounts of fat and sugar which doesn’t require any effort to make it edible.