"Pinch me, I'm Irish" is a phrase often used in a playful or humorous way on St. Patrick's Day or to express pride in Irish heritage. The phrase implies that the person speaking is so proud of the Irish heritage that they want to be reminded of it by being pinched. It can also be used as a way to celebrate the holiday and to show camaraderie with others who share the same cultural background.
While pinching is not typically associated with St. Patrick's Day or Irish culture, the phrase "Pinch me, I'm Irish" has become a famous saying among those who want to express their pride and enthusiasm for the holiday. Some people may wear buttons or shirts with the phrase on them or use it as a fun way to engage in conversation with others on St. Patrick's Day.
It's important to note, however, that pinching someone without their consent is never appropriate or acceptable. The phrase "Pinch me, I'm Irish" should always be used in a light-hearted and playful way without causing harm or discomfort to others.