If you're a politician making a light-hearted St Patrick's Day reference,鹿児島 ポルノ 映画館 it's important to get it right. Very important.

If you don't -- as Paul Ryan very much didn't when he held up a woeful pint of Guinness at the recent Washington D.C. Friends of Ireland luncheon on Thursday -- there's every chance that Ireland will take note.

On Thursday, Irish journalist Naomi O'Leary shared the following image.

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It wasn't long before the jokes started.

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People really weren't fans of Ryan's Guinness.

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Things escalated quickly.

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Eventually, people began sharing examples of how it should be done.

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All in all, not the best day for U.S.-Irish relations.

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