Halloween.
You get to dress up to be whatev you want, w/out the cops hunting you down (most of the time), and you get free candy! Although, Halloween might be cancelled this year in my area... it's already snowing outside!
W/ St. Patricks day... meh, it's not much really. Since I have to stay home I can't drink (not that I could in the first place, wink wink, nudge nudge), and it's cold as anything out, normally.
Welcome, Veers. Let's hope I helped!
btw: Do you have a yahoo answers account? Just a question.
Koda0 (^)