St Patrick's day is held on March 17th.
It is the date that Saint Patrick died. Saint Patrick is the man who is said to have introduced the catholic religion to Ireland. He tried to explain "the trinity" (3 people in the one god) with a three leafed plant called a shamrock. Hence the shamrock has significance for the day. Originally the day was important only in Ireland but because of the large numbers of Irish people who emigrated abroad and the colorfulness of the celebration the tradition spread around the world.
In Ireland St. Patrick's day is celebrated with a parade of floats, bands and marchers in each towns main street. Unfortunately because of the time of the year it invariably rains on the day.
by Greg March 18, 2004
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A day when you gather around a keg of Guinness and drink like there's no tomorrow.
Bill Lumbergh: "Yeah, and I'd like to remind you that tomorrow is St. Patrick's Day, so if you'd like to, you can go ahead and come to work...uh...shit-faced. Yeah, that'd be greeaat."
by Nick D March 19, 2004
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one of the better holidays, where people who aren't even irish pretend to be, and everyone gets drunk.
On Saint Patrick's Day, we all wore green hats and drank whiskey
by IrishRepublicanArmy March 8, 2004
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March 17th
two days after the Ides of March

In america this Holiday is a.k.a. the "Wearin o' the Green" day.

It's a day for parades that celebrate Ireland or being of Irish heritage.

Some pubs dye ther beer or anything else green with food coloring. It is too bad because Certain foods, like eggs, when dyed green, look incredibly puke-inducing.

see cinco de mayo
This Beer tastes good, (hiccup) let's just hope Erin goes bra-less!
by ginger petunia November 29, 2003
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An incredibly annoying time when Americans forget that they're American and run around trying desperately to out-Irish each other with needlessly gaudy green clothing exacerbated by their all-too-often overweight frames. This time is made all the worse by the perceived need to drink as much imitation Guiness, vomit on aforementioned green clothing then try to kiss strangers and get punched for your trouble.
"Kiss me, I'm Irish and it's Saint Patrick's Day". "You're still fat and ugly, so the answer's still No".
by Theotherrichard March 18, 2008
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According to the great Theo, men use St. Pat's day as an excuse to touch women who aren't wearing green.
Guy: looks like you arent wearing green, its saint patricks day! *pinches breasts*
Girl: Ahh you caught me
Guy (inside): =) =) =) VICTORY!
by sham March 20, 2004
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The one day of the year when it doesn't suck to live in Savannah.
I got river faced on shit street
by tuce March 18, 2004
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