(A customer lifts bag of steer manure onto the counter.)

Customer: “I’ve got a question. What makes steer manure different from mushroom manure?”

Me: “Well, steer manure is made from the droppings of–”

Customer: “Wait. You said droppings? As in waste?”

Me: “Yes. Manure is made from decomposed waste.”

Customer: “So…What exactly is a steer?”

Me: “It’s just another name for a cow.”

Customer: “So steer manure is…oh, God. Oh, God!” *leaves without buying the manure*