(Print) Use this randomly generated list as your call list when playing the game. There is no need to say the BINGO column name. Place some kind of mark (like an X, a checkmark, a dot, tally mark, etc) on each cell as you announce it, to keep track. You can also cut out each item, place them in a bag and pull words from the bag.
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Customer asks for something that's impossible
"Can't find anything with all these cards"
"Must be free then"
3 trolleys in use at once
Says no to receipt then changes mind
"Google said you have it"
Customer obliviously blocks entire counter
Tastes 2 or more tap beers
Some apologises for not having FB/Airpoints
Customer talks for 5 minutes or more
Stares at minis without talking for uncomfortably long