There's always that one retired Karen who has all the time in the world to go to the local Michaels every other day with a new stack of coupons. Every cashier knows their Karen very well and holds their breath whenever Karen is about to choose which checkout line to terrorize. u/Neat_Warthog2633 recently shared a short and sweet story about a local Karen who came in hot, making demands about stacking coupons and senior discounts. She even asked the manager over (shocking!), who maliciously comp…