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The 8 Best St. Patrick's Day Ads

March 17th needs to be made an official worldwide holiday NOW.

1. Guinness

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From 2004, by BBDO NYC.

As an Irishman, I endorse this movement.

2. Guinness

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From 2008, by BBDO NYC.

3. Guinness

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From 2008, by BBDO NYC.

4. McDonald's Shamrock Shake

5. Cookie O' Puss

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Including this classically horrible spot via the legendary Tommy Carvel was a must. Dig that Irish accent of O' Puss.

6. Guinness

7. Guinness

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And, my favorite.

From last year, via the UK.

Round up your mates — that sheep dog is a hero!

Ad agency: Abbot Mead Vickers/BBDO, London.

8. The City of Atlanta

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From last year, for Atlanta's St. Patrick's Day parade.

My Irish eyes are bleeding.

At least snakes didn't start crawling out of his mouths.

Ad agency: Fitzgerald & Co., Atlanta.