Donald Trump decided to give an English lesson to the president of the United Arab Emirates on Thursday, which gave him a chance to once again bizarrely obsess over one particular word.

During a televised meeting with UAE presidentSheikh Mohammed bin Zayed Al Nahyan, the president decided the best way forward was to ramble about the meaning of what he called an “old-fashioned term” — groceries.

“Costs are way down, groceries are way,” Trump began. “They have a term, ‘grocery.’ It’s an old term, but it means basically what you’re buying: food. It’s a pretty accurate term, but it’s an old-fashioned sound, but groceries are down.”

Mediaite noted that Trump “never described who the ‘they’ is that has the term groceries because it’s a widely used term for anyone who, you know, shops for groceries.”

Trump then continued to ramble in a way that will remind “Simpsons” fans of

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